Patent US3532855A successfully refreshed from Google Patents.
US3532855A
Expired / Lapsed
US
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Power regulating circuit for xerographic fusing apparatus
Assignee: International Business Machines Corp
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Filing: 1968-12-30
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Granted: 1970-10-06
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Expires: 1988-12-30
Abstract
No abstract record available.
Inventors
- 👤 George W Van Cleave
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:07
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/40; G05F1/44; G05F1/445; G03; G03G; G03G15/00; G03G15/20; G03G15/2003; G03G15/2007; G05F1/45; G05F1/455
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) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |