Patent US2306583A successfully refreshed from Google Patents.
Patent US2851094A successfully refreshed from Google Patents.
US2851094A
Expired / Lapsed
US
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Means for hypergolic flame combat
Assignee: Individual
•
Filing: 1952-06-10
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Granted: 1958-09-09
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Expires: 1972-06-10
Abstract
No abstract record available.
Inventors
- 👤 Donald N Griffin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:18
CPC Classifications
F; F41; F41H; F41H13/00; F41H9/00; F41H9/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2563532A
Cited
GB191517696A
Cited
US1340012A
Cited
GB405645A
Cited
GB583023A
Cited
US2573471A
Cited
US2489051A
Cited
US2497939A
Cited
US2610464A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |