Inventions in Door Lock Railway category

Introduction

Door Lock Railway is one of those areas that honestly has a lot of new inventions coming up almost every day. Of course, quality is more important than quantity but dont' forget about the element of chance. In higher sample size there is that higher probablity of somethign useful coming up.

Patented Inventions in Door Lock Railway

1. LOWELL

   Here are few examples in this category: A LOWELL, which seems to be dated Fri, 28 Jun 1912 00:00:00 -0800. This one is quite interesting for Door Lock Railway category. First of all it is very futuristic; I guess everything new that is invented has to be in one way or another futuristic. Anyways, the point here is that this invention has some good potential for future. Inventors of this project were . The idea behind the it is very odd in a good way.

   Let’s say see what the actual authors say about them: IMITEB STATES EATEMT OFFICE. JOSEPHS. LOWELL, OF EVERETT^ MTASSACHTTSETTS. APPARATUS' FOB LOCKING CAB-DOORS. Specification of Otters Patent. Patented Sept..

   Here is its drawing

3. DOOR-LOCKING DEVICE

   Here are few examples in this category: A DOOR-LOCKING DEVICE, which seems to be dated Wed, 27 Jun 1900 00:00:00 -0800. This one is quite interesting for Door Lock Railway category. First of all it is very futuristic; I guess everything new that is invented has to be in one way or another futuristic. Anyways, the point here is that this invention has some good potential for future. Inventors of this project were . The idea behind the it is very odd in a good way.

   Let’s say see what the actual authors say about them: 658584 locking and releasing device is employed for doors in a building or the like, the air or steam may be controlled from any desired point..

   Here is its drawing

5. AUTOMATIC SAFETY PASSENGER CAR DOOR LOCKS

   Here are few examples in this category: A AUTOMATIC SAFETY PASSENGER CAR DOOR LOCKS , which seems to be dated Tue, 03 Jul 1923 00:00:00 -0800. This one is quite interesting for Door Lock Railway category. First of all it is very futuristic; I guess everything new that is invented has to be in one way or another futuristic. Anyways, the point here is that this invention has some good potential for future. Inventors of this project were . The idea behind the it is very odd in a good way.

   Let’s say see what the actual authors say about them: Oct. 6, 1925- 1556452 L. MAURY AUTOMATIC SAFETY PASSENGER CAR DOOR LOCKS Filed July 5r 19;>3 2 Sheets-Sheet 2 c Bp rr ....

   Here is its drawing

7. DGOR-EOIBIH G KSANS AOSFL

   Here are few examples in this category: A DGOR-EOIBIH G KSANS AOSFL, which seems to be dated Fri, 06 Dec 1929 00:00:00 -0800. This one is quite interesting for Door Lock Railway category. First of all it is very futuristic; I guess everything new that is invented has to be in one way or another futuristic. Anyways, the point here is that this invention has some good potential for future. Inventors of this project were BY MESNE AS. The idea behind the it is very odd in a good way.

   Let’s say see what the actual authors say about them: May 12, 1931. w. H SMITH 1804443 DOOR HOLDING MEANS AND RELEASE Filed Dec. 6, 1929 4 Sheets-Sheet 3 IJL INVENTOR ....

   Here is its drawing

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