File:US Patent 3283435 8-Nov-1966 BREECH CLOSURE Theodor Koch.png

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Description
English: Roller-delayed blowback mechanism for automatic weapon.
Deutsch: Beweglich abgestützer Rollenverschluss in offener Position (links) und während des Schließens (Wolframgranulat drückt den Verschlussträger nach vorne damit der Verschlusskopf nicht nach hinten "zurückfedern" kann, Rollen sind bereits in Endposition)
Date by 27 October 1964
date QS:P,+1964-10-27T00:00:00Z/7,P1326,+1964-10-27T00:00:00Z/11
(filing date)
Source U.S. Patent 3,283,435
Author U.S. Patent Office; Drawing by Theodor Koch (Heckler & Koch GmbH)
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May or may not be in the public domain
In general, the contents of United States patents are in the public domain.

In specific cases, patent applicants and holders may claim copyright in portions of those documents. In those specific cases, applicants are required to identify the portions that are protected under copyright, and are additionally required to state the following within the body of the application and patent (see 37 CFR 1.71(d) & (e) and 37 CFR 1.84(s), and MPEP § 608.01(e) & (w) and MPEP § 1512):

A portion of the disclosure of this patent document contains material which is subject to (copyright or mask work) protection. The (copyright or mask work) owner has no objection to the facsimile reproduction by any­one of the patent document or the patent disclosure, as it appears in the Patent and Trademark Office patent file or records, but otherwise reserves all (copyright or mask work) rights whatsoever.

The original patent should be checked for the presence of such language before an assumption is made that the contents are in the public domain. (This template can be replaced by {{PD-US-patent-no notice}} in such cases.)


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Other versions Application: US19640406717 19641027

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current01:48, 27 June 2009Thumbnail for version as of 01:48, 27 June 20091,849 × 1,010 (166 KB)Nukes4Tots~commonswiki (talk | contribs)cleaned up some more and moved closer together.
01:30, 27 June 2009Thumbnail for version as of 01:30, 27 June 20092,056 × 1,010 (173 KB)Nukes4Tots~commonswiki (talk | contribs)rotated, cropped, and cleaned up. The entire page is useless. It's important to list that it's {{US Patent|3,283,435}} if somebody wants to look up the full text and images. ~~~~
15:07, 7 May 2008Thumbnail for version as of 15:07, 7 May 20081,973 × 2,916 (305 KB)Wiki-Chris~commonswiki (talk | contribs){{Information |Description=* en:delayed blowback roller lock for automatic weapon * de:beweglich abgestützer Rollenverschluss in offener Position (links) und während des Schließens (Wolframgranulat drückt den Verschlussträger nach vorne damit der Ver

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