US2967573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic airfoil
Assignee: Goodyear Aircraft Corp
•
Filing: 1954-10-14
•
Granted: 1961-01-10
•
Expires: 1974-10-14
Abstract
No abstract record available.
Inventors
- 👤 Jr William C Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:36
CPC Classifications
B; B64; B64C; B64C3/00; B64C3/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191008290A
Cited
GB191128704A
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DE660793C
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GB522042A
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US2410609A
Cited
US2616509A
Cited
US2502101A
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US2632480A
Cited
US2657716A
Cited
US2657884A
Cited
US2698020A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |