Patent US2061617A successfully refreshed from Google Patents.
US2432146A
Expired / Lapsed
US
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Fire extinguishing fluid
Assignee: Lockheed Martin Corp
•
Filing: 1941-12-15
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Granted: 1947-12-09
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Expires: 1961-12-15
Abstract
No abstract record available.
Inventors
- 👤 Michael O Farris
- 👤 John M O'connor
- 👤 Richard B Gottschalk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:04
CPC Classifications
A; A62; A62C; A62C99/00; A62C99/009
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2198585A
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US2136963A
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US2099828A
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US2135365A
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US2269958A
Cited
US2232695A
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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) | 1950-12-08 | 1951-06-09 | 1951-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-08 | 1955-06-09 | 1955-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-08 | 1959-06-09 | 1959-12-09 | $7700.00 | Window Closed / Lapsed |