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US2996280A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1959-04-07
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Granted: 1961-08-15
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Expires: 1979-04-07
Abstract
No abstract record available.
Inventors
- 👤 Iii John A Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:20
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/02; F01D5/06; F01D25/00; F01D25/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2620624A
Cited
US2213940A
Cited
US2470780A
Cited
US2532721A
Cited
US2656147A
Cited
US2619317A
Cited
US2810544A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |