Patent US1300651A successfully refreshed from Google Patents.
Patent US3318033A successfully refreshed from Google Patents.
US3318033A
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Grenade launching arrangement
Assignee: Textron Systems Corp
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Filing: 1965-09-29
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Granted: 1967-05-09
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Expires: 1985-09-29
Abstract
No abstract record available.
Inventors
- 👤 Irwin R Barr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:53
CPC Classifications
F; F41; F41C; F41C27/00; F41C27/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A GRENADE LAUNCHER ADAPTER FOR A GUN HAVING A BARREL THEREON OF SMALLER DIAMETER THAN A GRENADE TO BE LAUNCHED, COMPRISING: A BARREL EXTENSION HAVING A BARREL PORTION ADAPTED TO RECEIVE A GRENADE, AND A CLAMP PORTION, SAID BARREL PORTION HAVING A BORE THEREIN WITH A FIRST HELICALLY RIFLED EXTENT AND A SECOND SMOOTH BORE EXTENT OF LARGER DIAMETER THAN THE INNER LAND AREA OF SAID RIFLED EXTENT, SAID SMOOTH BORE EXTENT BEING AT AND EXTENDING INWARDLY FROM THE OPEN DISCHARGE END OF SAID BORE AND OF A LENGTH ADAPTED TO ACCOMMODATE A PROTRUDING SIDE HANDLE ON A GRENADE, SAID CLAMP PORTION HAVING A LONGITUDINAL BORE THEREIN FOR COMMUNICATION BETWEEN THE BORE OF SAID BARREL PORTION OF SAID BARREL EXTENSION AND THE BORE OF SAID GUN BARREL.
Claim 2
Dependent Claim
127 words
A GRENADE LAUNCHER ADAPTER FOR A GUN HAVING A BARREL THEREON OF SMALLER DIAMETER THAN A GRENADE TO BE LAUNCHED, COMPRISING: A BARREL EXTENSION HAVING A BARREL PORTION ADAPTED TO RECEIVE A GRENADE, AND A CLAMP PORTION, SAID BARREL PORTION HAVING A BORE THEREIN WITH A FIRST HELICALLY RIFLED EXTENT AND A SECOND SMOOTH BORE EXTENT OF LARGER DIAMETER THAN THE INNER LAND AREA OF SAID RIFLED EXTENT, SAID SMOOTH BORE EXTENT BEING AT AND EXTENDING INWARDLY FROM THE OPEN DISCHARGE END OF SAID BORE AND OF A LENGTH ADAPTED TO ACCOMMODATE A PROTRUDING SIDE HANDLE ON A GRENADE, SAID CLAMP PORTION HAVING A LONGITUDINAL BORE THEREIN FOR COMMUNICATION BETWEEN THE BORE OF SAID BARREL PORTION OF SAID BARREL EXTENSION AND THE BORE OF SAID GUN BARREL.
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) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |