Patent US3519253A successfully refreshed from Google Patents.
US3519253A
Expired / Lapsed
US
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Selective xerographic fuser
Assignee: Xerox Corp
•
Filing: 1966-10-11
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Granted: 1970-07-07
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Expires: 1986-10-11
Abstract
No abstract record available.
Inventors
- 👤 Gilbert A Aser
- 👤 George D Del Vecchio
- 👤 John A Hallagan
- 👤 Edward A Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:58
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/20; G03G15/2003; G03G15/2007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2701765A
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US2834132A
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US2807703A
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US3187162A
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US3256002A
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US3349221A
Cited
US3411932A
Cited
US3356831A
Cited
US3380436A
Cited
US3374769A
Cited
US3390634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |