Patent US3518942A successfully refreshed from Google Patents.
US3518942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antiaircraft projectile
Assignee: United States Department of the Navy
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Filing: 1960-10-14
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Granted: 1970-07-07
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Expires: 1980-10-14
Abstract
No abstract record available.
Inventors
- 👤 Vasil Philipchuk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:56
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/02; F42B12/36; F42B12/44; F42B12/20; F42B12/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
AN ANTIAIRCRAFT PROJECTILE COMPRISING AN OUTER GENERALLY CYLINDRICAL CASING, AN EXPLOSIVE CHARGE DISPOSED WITHIN SAID CASING AND COAXIAL THEREWITH, AND AN ANNULAR INERT FILLER COMPRISED OF A MIXTURE OF INERT POWDER AND A TITANIUM POWDER DISPOSED ABOUT SAID CHARGE AND SUBSTANTIALLY FILLING THE CASING, THE CHARGE TO TOTAL PROJECTILE MASS ROTIO BEING IN THE RANGE FROM .010 TO .020.
Claim 2
Dependent Claim
59 words
AN ANTIAIRCRAFT PROJECTILE COMPRISING AN OUTER GENERALLY CYLINDRICAL CASING, AN EXPLOSIVE CHARGE DISPOSED WITHIN SAID CASING AND COAXIAL THEREWITH, AND AN ANNULAR INERT FILLER COMPRISED OF A MIXTURE OF INERT POWDER AND A TITANIUM POWDER DISPOSED ABOUT SAID CHARGE AND SUBSTANTIALLY FILLING THE CASING, THE CHARGE TO TOTAL PROJECTILE MASS ROTIO BEING IN THE RANGE FROM .010 TO .020.
References Cited (Backward Citations)
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US2276110A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |