US2775938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flash bomb
Assignee: NAT DISTILLERS PROD CORP
•
Filing: 1951-09-27
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Granted: 1957-01-01
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Expires: 1971-09-27
Abstract
No abstract record available.
Inventors
- 👤 Robert C Wade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:09
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/02; F42B12/36; F42B12/42; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12181
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
IN MILITARY ORDNANCE OF THE FLASH BOMB TYPE COMPRISING A CASING, A BURSTING CHARGE, A FUSE CONTROLLING SAID BURSTING CHARGE AND A MASS OF NORMALLY SOLID COMBUSTIBLE METAL IN DIVIDED FORM WITHIN SAID CASING, THE IMPROVEMENT OF A FILM OF SODIUM FORMED ON THE PARTICLES OF SAID COMBUSTIBLE METAL.
Claim 2
Dependent Claim
49 words
IN MILITARY ORDNANCE OF THE FLASH BOMB TYPE COMPRISING A CASING, A BURSTING CHARGE, A FUSE CONTROLLING SAID BURSTING CHARGE AND A MASS OF NORMALLY SOLID COMBUSTIBLE METAL IN DIVIDED FORM WITHIN SAID CASING, THE IMPROVEMENT OF A FILM OF SODIUM FORMED ON THE PARTICLES OF SAID COMBUSTIBLE METAL.
References Cited (Backward Citations)
US407351A
Cited
US1311521A
Cited
US841172A
Cited
US1417475A
Cited
US1915788A
Cited
US2273832A
Cited
US2314614A
Cited
US2403656A
Cited
US2437919A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-01 | 1960-07-02 | 1961-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-01 | 1964-07-02 | 1965-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-01 | 1968-07-02 | 1969-01-01 | $7700.00 | Window Closed / Lapsed |