Patent US3965946A successfully refreshed from Google Patents.
US3229583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gun flared projectile
Assignee: Douglas Aircraft Co Inc
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Filing: 1964-01-29
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Granted: 1966-01-18
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Expires: 1984-01-29
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Long
- 👤 Joe C Mccaslin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:28
CPC Classifications
F; F42; F42B; F42B10/00; F42B10/02; F42B10/04; F42B10/06; F42B10/10; F41; F41A; F41A21/00; F41A21/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A GUN FOR PRODUCING FLARED PORJECTIONS COMPRISING: A BARREL HAVING A LONGITUDINAL BORE, SAID BARREL INCLUDING A MUZZLE END PORTION HAVING A BORE SECTION TAPERED SO AS TO EXPAND TOWARD THE EXTREME MUZZLE END OF SAID GUN, THE LARGEST TRANSVERSE DIMENSION OF SAID TAPERED BORE SECTION BEING AT LEAST 10 PERCENT GREATER AND NO MORE THAN ABOUT 100 PERCENT GREATER THAN THE SMALLEST DIMENSION OF SAID BORE AT SAID TAPERED MUZZLE PORTION.
Claim 2
Dependent Claim
72 words
A GUN FOR PRODUCING FLARED PORJECTIONS COMPRISING: A BARREL HAVING A LONGITUDINAL BORE, SAID BARREL INCLUDING A MUZZLE END PORTION HAVING A BORE SECTION TAPERED SO AS TO EXPAND TOWARD THE EXTREME MUZZLE END OF SAID GUN, THE LARGEST TRANSVERSE DIMENSION OF SAID TAPERED BORE SECTION BEING AT LEAST 10 PERCENT GREATER AND NO MORE THAN ABOUT 100 PERCENT GREATER THAN THE SMALLEST DIMENSION OF SAID BORE AT SAID TAPERED MUZZLE PORTION.
References Cited (Backward Citations)
GB189909440A
Cited
FR405281A
Cited
US1217347A
Cited
US1161462A
Cited
US1669969A
Cited
US2036292A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |