Semi-automatic and full-automatic operation of gas-operated firearm with slidable barrel and slidable receiver

US 3,000,266 A · Inventors: BILBAO VARONA OSCAR

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Overview

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Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents.

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Why it's free to use

Granted September 19, 1961. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by September 19, 1978.
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FiledJuly 29, 1959

GrantedSeptember 19, 1961

Term endedSeptember 19, 1978

Application number—

Classification (CPC)F41A5/30 +1 more

Length6 pages

Timeline

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Sources & verification

Official USPTO records

Full published documentText and every drawing sheet as a PDF.USPTO File historyStatus, office actions, notices, fee records and petitions.USPTO Patent Center Patent Public Search recordSearchable full text and bibliographic data.USPTO

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