Patent US2942813A successfully refreshed from Google Patents.
Patent US3583087A successfully refreshed from Google Patents.
US3583087A
Expired / Lapsed
US
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Line throwing gun and cartridge
Assignee: HARRINGTON AND RICHARDSON Inc
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Filing: 1969-10-22
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Granted: 1971-06-08
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Expires: 1989-10-22
Abstract
Abstract FOR USE WITH A CONVENTIONAL SHOTGUN A CARTRIDGE WHICH IS EXTERNALLY SIMILAR TO A CONVENTIONAL SHOTGUN CARTRIDGE BUT IS SOLID INTERIORLY EXCEPT FOR A THROUGH PASSAGE, SAID PASSAGE HAVING AN ENLARGED END FOR THE PROPELLANT.
Inventors
- 👤 George W Huebner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:25
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/02; F42B12/36; F42B12/56; F42B12/68; F41; F41F; F41F1/00
Claims Analysis
Total Claims: 0
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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) | 1974-06-07 | 1974-12-07 | 1975-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-07 | 1978-12-07 | 1979-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-07 | 1982-12-07 | 1983-06-08 | $7700.00 | Window Closed / Lapsed |