Patent US3354827A successfully refreshed from Google Patents.
US3354827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waterproof primer cartridge
Assignee: Zeneca Inc
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Filing: 1966-05-02
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Granted: 1967-11-28
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Expires: 1986-05-02
Abstract
No abstract record available.
Inventors
- 👤 Richard G Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:40
CPC Classifications
F; F42; F42B; F42B3/00; F42C; F42C19/00; F42C19/08; F42C19/0807
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A CYLINDRICAL EXPLOSIVE PRIMING DEVICE WHICH COMPRISES, TWO ELONGATED HEMICYLINDRICAL WATERPROOF SECTIONS EACH HAVING MATING SURFACES AND CONTAINING AN EXPLOSIVE CHARGE SEALED THEREIN, EACH OF SAID MATING SURFACES PROVIDED WITH AT LEAST ONE MIRROR IMAGE DEPRESSION AND MEANS FOR HOLDING THE SAID ELONGATED WATERPROOF SECTIONS TOGETHER WITH CONTACT OF SAID MATING SURFACES.
Claim 2
Dependent Claim
52 words
A CYLINDRICAL EXPLOSIVE PRIMING DEVICE WHICH COMPRISES, TWO ELONGATED HEMICYLINDRICAL WATERPROOF SECTIONS EACH HAVING MATING SURFACES AND CONTAINING AN EXPLOSIVE CHARGE SEALED THEREIN, EACH OF SAID MATING SURFACES PROVIDED WITH AT LEAST ONE MIRROR IMAGE DEPRESSION AND MEANS FOR HOLDING THE SAID ELONGATED WATERPROOF SECTIONS TOGETHER WITH CONTACT OF SAID MATING SURFACES.
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) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |