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Patent US3485427A successfully refreshed from Google Patents.
US3485427A
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US
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Tension controller
Assignee: Beloit Corp
•
Filing: 1967-12-11
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Granted: 1969-12-23
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Expires: 1987-12-11
Abstract
No abstract record available.
Inventors
- 👤 Leroy H Busker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:28
CPC Classifications
G; G05; G05B; G05B11/00; G05B11/44; G05B11/48; G05B11/52; G05D; G05D15/00; Y; Y10; Y10T; Y10T137/00; Y10T137/2278
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2755032A
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US2737963A
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US2945637A
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US3101915A
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US3266516A
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US3240058A
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US3270960A
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US3330457A
Cited
US3387619A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |