US3024525A
Expired / Lapsed
US
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Method of making multi-walled concavo-convex objects
Assignee: Goodyear Aircraft Corp
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Filing: 1957-08-28
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Granted: 1962-03-13
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Expires: 1977-08-28
Abstract
No abstract record available.
Inventors
- 👤 Paul M Wisberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:18
CPC Classifications
B; B21; B21D; B21D26/00; B21D26/02; B21D26/053; B21D26/059; H; H01; H01Q; H01Q15/00; H01Q15/14; H01Q15/141; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49366; Y10T29/49805; Y10T29/49826; Y10T29/49879
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190013735A
Cited
US1294486A
Cited
US1709865A
Cited
US2331464A
Cited
US2582358A
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US2759247A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |