US3221658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shot-gun cartridge and wad therefor
Assignee: Individual
•
Filing: 1963-10-02
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Granted: 1965-12-07
•
Expires: 1983-10-02
Abstract
No abstract record available.
Inventors
- 👤 Devaux Raymond Henri Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:59
CPC Classifications
F; F42; F42B; F42B7/00; F42B7/02; F42B7/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A CARTRIDGE CASE WAD COMPRISING TWO COAXIAL ALIGNED GENERALLY CYLINDRICAL SECTIONS RIGID WITH EACH OTHER AND OPEN AT THEIR ENDS FACING AWAY FROM EACH OTHER, A TRANSVERSE PARTITION LYING ACROSS THE ADJACENT ENDS OF THE TWO SECTION AND CLOSING THE INNER ENDS OF THE TWO SECTIONS, SAID PARTITION HAVING A CENTRAL PORTION CONNECTING THE INSIDE OF THE TWO SECTIONS, AND A SMALL ANNULAR PROJECTION SURROUND THE OPENING OF SAID PORT INTO ONE OF SAID SECTIONS SAID PROJECTION TAPERING IN THICKNESS FROM A GREATER THICKNESS ADJACENT ITS BASE TO A LESSER THICKNESS ADJACENT ITS FREE END, SAID PROJECTION BEING ADAPTED TO COLLAPSE AND CLOSE AND OPENING OF THE PORT UPON FIRING OF THE ASSOCIATED CARTRIDGE.
Claim 2
Dependent Claim
114 words
A CARTRIDGE CASE WAD COMPRISING TWO COAXIAL ALIGNED GENERALLY CYLINDRICAL SECTIONS RIGID WITH EACH OTHER AND OPEN AT THEIR ENDS FACING AWAY FROM EACH OTHER, A TRANSVERSE PARTITION LYING ACROSS THE ADJACENT ENDS OF THE TWO SECTION AND CLOSING THE INNER ENDS OF THE TWO SECTIONS, SAID PARTITION HAVING A CENTRAL PORTION CONNECTING THE INSIDE OF THE TWO SECTIONS, AND A SMALL ANNULAR PROJECTION SURROUND THE OPENING OF SAID PORT INTO ONE OF SAID SECTIONS SAID PROJECTION TAPERING IN THICKNESS FROM A GREATER THICKNESS ADJACENT ITS BASE TO A LESSER THICKNESS ADJACENT ITS FREE END, SAID PROJECTION BEING ADAPTED TO COLLAPSE AND CLOSE AND OPENING OF THE PORT UPON FIRING OF THE ASSOCIATED CARTRIDGE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |