US2821670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic controls for cutting machines
Assignee: United Shoe Machinery Corp
•
Filing: 1955-02-11
•
Granted: 1958-01-28
•
Expires: 1975-02-11
Abstract
No abstract record available.
Inventors
- 👤 Robert W Bradley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:37
CPC Classifications
B; B23; B23D; B23D33/00; B26; B26D; B26D7/00; B26D7/20; B26F; B26F1/00; C; C14; C14B; C14B5/00; B26F2210/00; B26F2210/12; B26F2210/16; C14B2700/00; C14B2700/11; C14B2700/113; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8691; Y10T83/8693
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1901663A
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US2095742A
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US2052273A
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US2203468A
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US2409522A
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US2463318A
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US2426287A
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US2550462A
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US2462326A
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US2442578A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-27 | 1961-07-29 | 1962-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-27 | 1965-07-29 | 1966-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-27 | 1969-07-29 | 1970-01-28 | $7700.00 | Window Closed / Lapsed |