Patent US3273499A successfully refreshed from Google Patents.
US3273499A
Expired / Lapsed
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High temperature illuminating flare
Assignee: Standard Oil Co
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Filing: 1964-11-24
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Granted: 1966-09-20
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Expires: 1984-11-24
Abstract
No abstract record available.
Inventors
- 👤 Wayne A Proell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:05
CPC Classifications
F; F42; F42B; F42B4/00; F42B4/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A PYROTECHNIC IGNITABLE BY IMPACT AND SUITABLE FOR USE AS A HIGH TEMPERATURE ILLUMINATING FLARE, WHICH PYROTECHNIC COMPRISES CHLORINE TRIFLUORIDE AND A FINELY DIVIDED METAL HAVING A HIGH HEAT OF FORMATION WITH CHLORINE AND FLUORINE, SAID PYROTECHNIC BEING IN A CHEMCIALLY STABILIZED CONDITION UNTIL REACTION IN INTENTIONALLY INITIATED BY IMPACT, SAID STABILITY BEING IMPARTED BY THE PRESENCE OF A PROTECTIVE IMPACT FRACTURABLE BARRIER SEPARATING SAID CHLORINE TRIFLUORIDE FROM SAID METAL.
Claim 2
Dependent Claim
70 words
A PYROTECHNIC IGNITABLE BY IMPACT AND SUITABLE FOR USE AS A HIGH TEMPERATURE ILLUMINATING FLARE, WHICH PYROTECHNIC COMPRISES CHLORINE TRIFLUORIDE AND A FINELY DIVIDED METAL HAVING A HIGH HEAT OF FORMATION WITH CHLORINE AND FLUORINE, SAID PYROTECHNIC BEING IN A CHEMCIALLY STABILIZED CONDITION UNTIL REACTION IN INTENTIONALLY INITIATED BY IMPACT, SAID STABILITY BEING IMPARTED BY THE PRESENCE OF A PROTECTIVE IMPACT FRACTURABLE BARRIER SEPARATING SAID CHLORINE TRIFLUORIDE FROM SAID METAL.
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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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |