Patent US3224368A successfully refreshed from Google Patents.
US3224368A
Expired / Lapsed
US
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Dual liner shaped charge
Assignee: Honeywell Inc
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Filing: 1964-09-10
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Granted: 1965-12-21
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Expires: 1984-09-10
Abstract
No abstract record available.
Inventors
- 👤 Alfred M House
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:56
CPC Classifications
F; F42; F42B; F42B1/00; F42B1/02; F42B1/032; F42B1/028
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
45 words
IN A SHAPED EXPLOSIVE CHARGE DEVICE; (A) A SHAPED CHARGE OF EXPLOSIVE HAVING A CAVITY FORMED THEREIN; (B) A FIRST LINER SAID CAVITY; (C) A SECOND LINER HAVING AN IMPEDANCE TO THE PROPAGATION OF A DETONATING WAVE THAT IS GREATER THAN SAID FIRST LINER; AND
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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |