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US2662575A
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Assignee: Penn Aircraft Products Inc
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Filing: 1950-09-30
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Granted: 1953-12-15
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Expires: 1970-09-30
Abstract
No abstract record available.
Inventors
- 👤 Glenn W Wolcott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:17
CPC Classifications
B; B21; B21D; B21D41/00; B21D41/02; B21D41/021; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53909; Y10T29/53913
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1350904A
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US1914235A
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US1976878A
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US1950154A
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US1955913A
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FR805941A
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US2302794A
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US2415520A
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US2505665A
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US2505666A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |