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Patent US2760339A successfully refreshed from Google Patents.
US2760339A
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Flameholder
Assignee: Douglas Aircraft Co Inc
•
Filing: 1952-06-02
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Granted: 1956-08-28
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Expires: 1972-06-02
Abstract
No abstract record available.
Inventors
- 👤 Peter L Jurisich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:36
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/02; F23R3/16; F23R3/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2360548A
Cited
CH229158A
Cited
US2546432A
Cited
US2446059A
Cited
US2510572A
Cited
US2637972A
Cited
US2592110A
Cited
US2632300A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |