US3202056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire arm muzzle brake
Assignee: Rheinmetall Air Defence AG
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Filing: 1964-03-02
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Granted: 1965-08-24
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Expires: 1984-03-02
Abstract
No abstract record available.
Inventors
- 👤 Seeberger Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:14
CPC Classifications
F; F41; F41A; F41A21/00; F41A21/32; F41A21/36; F41A21/325
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
A FIRE ARM COMPRISING IN COMBINATION A BARREL HAVING AT THE FRONT END THEREOF AN EXTERIOR THREAD AND AN EXTERIOR CONE SHAPED PORTION, THE APEX, OF SAID PORTION POINTING TOWARDS THE FRONT, A SLOT IN THE EXTERIOR SURFACE OF SAID BARREL EXTENDING PARALLEL TO THE LONGITUDINAL AXIS OF SAID BARREL ADJACENT THE FRONT END THEREOF, A MUZZLE PIECE HAVING AN INTERIOR THREAD TO BE SCREWED ON SAID EXTERIOR THREAD AND AN INTERIOR CONE SHAPED PORTION COMPLEMENTARY TO SAID EXTERIOR CONE SHAPED PORTION, SAID PIECE HAVING ITS REAR END REGULARLY SPACED LONGITUDINAL SLOTS FORMING FINGERS, SAID INTERIOR CONE SHAPED PORTION BEING ARRANGED ON SAID FINGERS, A SPRING TONGUE FIXED AT ONE END IN SAID SLOT OF SAID BARREL AND WITH ITS FREE END DESIGNED FOR ENGAGING IN ONE OF SAID SLOTS, SAID SPRING BEING CAPABLE OF BEING DISENGAGED FROM SAID SLOTS RADIALLY AND RESILIENTLY BY DEPRESSION OF SAID FREE END, WHEREBY THE EXPANSION OF SAID FINGERS BY SAID EXTERIOR CONE SHAPED PORTION PERMITS A ROTATION OF SAID MUZZLE PIECE RELATIVE TO SAID SPRING TONGUE.
Claim 2
Dependent Claim
173 words
A FIRE ARM COMPRISING IN COMBINATION A BARREL HAVING AT THE FRONT END THEREOF AN EXTERIOR THREAD AND AN EXTERIOR CONE SHAPED PORTION, THE APEX, OF SAID PORTION POINTING TOWARDS THE FRONT, A SLOT IN THE EXTERIOR SURFACE OF SAID BARREL EXTENDING PARALLEL TO THE LONGITUDINAL AXIS OF SAID BARREL ADJACENT THE FRONT END THEREOF, A MUZZLE PIECE HAVING AN INTERIOR THREAD TO BE SCREWED ON SAID EXTERIOR THREAD AND AN INTERIOR CONE SHAPED PORTION COMPLEMENTARY TO SAID EXTERIOR CONE SHAPED PORTION, SAID PIECE HAVING ITS REAR END REGULARLY SPACED LONGITUDINAL SLOTS FORMING FINGERS, SAID INTERIOR CONE SHAPED PORTION BEING ARRANGED ON SAID FINGERS, A SPRING TONGUE FIXED AT ONE END IN SAID SLOT OF SAID BARREL AND WITH ITS FREE END DESIGNED FOR ENGAGING IN ONE OF SAID SLOTS, SAID SPRING BEING CAPABLE OF BEING DISENGAGED FROM SAID SLOTS RADIALLY AND RESILIENTLY BY DEPRESSION OF SAID FREE END, WHEREBY THE EXPANSION OF SAID FINGERS BY SAID EXTERIOR CONE SHAPED PORTION PERMITS A ROTATION OF SAID MUZZLE PIECE RELATIVE TO SAID SPRING TONGUE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |