US3494283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cavity flare
Assignee: United States Department of the Air Force
•
Filing: 1966-12-27
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Granted: 1970-02-10
•
Expires: 1986-12-27
Abstract
No abstract record available.
Inventors
- 👤 William S Cronk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:43
CPC Classifications
F; F42; F42B; F42B4/00; F42B4/26; F21; F21K; F21K5/00; F21K5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
AN IMPROVED HIGH INTENSITY CYLINDRICAL FLARE COMPRISING AN OUTER CYLINDRICAL CASING, AN ELONGATED CYLINDRICAL PYROTECHNIC CHARGE DISPOSED IN SAID CASING FOR COMBUSTION THEREIN, SAID PYROTECHNIC CHARGE HAVING AN OPEN-ENDED SHAPED INNER CAVITY ALONG ITS CENTRAL AXIS, THE SURFACE OF THE INNER CAVITY OF SAID PYROTECHNIC CHARGE BEING THE SOURCE OF COMBUSTION, A PLURALITY OF PARTICLES GENERATED FROM THE SURFACE OF THE INNER CAVITY OF SAID
Claim 2
Dependent Claim
65 words
AN IMPROVED HIGH INTENSITY CYLINDRICAL FLARE COMPRISING AN OUTER CYLINDRICAL CASING, AN ELONGATED CYLINDRICAL PYROTECHNIC CHARGE DISPOSED IN SAID CASING FOR COMBUSTION THEREIN, SAID PYROTECHNIC CHARGE HAVING AN OPEN-ENDED SHAPED INNER CAVITY ALONG ITS CENTRAL AXIS, THE SURFACE OF THE INNER CAVITY OF SAID PYROTECHNIC CHARGE BEING THE SOURCE OF COMBUSTION, A PLURALITY OF PARTICLES GENERATED FROM THE SURFACE OF THE INNER CAVITY OF SAID
References Cited (Backward Citations)
US2481987A
Cited
US3270668A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |