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US2852629A
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Assignee: LEWIS CAMBELL JR
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Filing: 1956-08-20
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Granted: 1958-09-16
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Expires: 1976-08-20
Abstract
No abstract record available.
Inventors
- 👤 William S Sacher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:47
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/02; B21D28/04; B21D43/00; B21D43/26; Y; Y10; Y10T; Y10T83/00; Y10T83/162; Y10T83/166; Y10T83/626; Y10T83/637; Y10T83/647; Y10T83/654; Y10T83/6563; Y10T83/6564
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US756959A
Cited
US897199A
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US1036695A
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US1625215A
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US1780610A
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US1989071A
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US2502785A
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US2641661A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |