US2658751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tension feed control
Assignee: Dynamatic Corp
•
Filing: 1950-09-20
•
Granted: 1953-11-10
•
Expires: 1970-09-20
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Jaeschke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:26
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/04; B65H23/06; B65H23/063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2231582A
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US2233060A
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US2242435A
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US2322754A
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US2285246A
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US2277284A
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US2412163A
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US2411122A
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US2469706A
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US2471505A
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US2512017A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |