US2629844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for rotary duplicating machines
Assignee: George Gorton Machine Co
•
Filing: 1949-05-20
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Granted: 1953-02-24
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Expires: 1969-05-20
Abstract
No abstract record available.
Inventors
- 👤 Theodore F Eserkaln
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:04
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/12; B23Q35/121; B23C; B23C3/00; B23C3/16; B23C3/18; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/301176; Y10T409/302688; Y10T409/302744; Y10T82/00; Y10T82/13; Y10T82/135; Y10T82/25; Y10T82/2552
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2511956A
Cited
US2206942A
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US2257673A
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US2410295A
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US2420547A
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US2389368A
Cited
US2443793A
Cited
US2474620A
Cited
US2475245A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |