US3051041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Xerox Corp
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Filing: 1959-05-25
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Granted: 1962-08-28
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Expires: 1979-05-25
Abstract
No abstract record available.
Inventors
- 👤 Lehmann Ernest Henry
- 👤 Wright William David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:45
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; G03G15/221; G02; G02B; G02B1/00; G03B; G03B21/00; G03B21/06; G03G15/04; G03G15/043; G03G15/0435
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) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |