Patent US2761510A successfully refreshed from Google Patents.
US2761510A
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US
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Assignee: Whitehead and Kales Co
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Filing: 1955-03-28
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Granted: 1956-09-04
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Expires: 1975-03-28
Abstract
No abstract record available.
Inventors
- 👤 Gerald D Stough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:52
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/26; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/2063; Y10T74/21; Y10T74/2101; Y10T74/2102; Y10T74/2104
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US827907A
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US897199A
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US1445796A
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US1589808A
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US1915434A
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US1875080A
Cited
US2372716A
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US2468325A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |