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US2791273A
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Assignee: Central Die & Supply Corp
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Filing: 1955-02-11
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Granted: 1957-05-07
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Expires: 1975-02-11
Abstract
No abstract record available.
Inventors
- 👤 Barnett M Brownell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:49
CPC Classifications
C; C14; C14B; C14B5/00; C14B5/02; A; A43; A43D; A43D27/00; A43D29/00; Y; Y10; Y10T; Y10T83/00; Y10T83/929; Y10T83/9295
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-06 | 1960-11-05 | 1961-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-06 | 1964-11-05 | 1965-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-06 | 1968-11-05 | 1969-05-07 | $7700.00 | Window Closed / Lapsed |