US3415948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Facsimile synchronizing system
Assignee: Xerox Corp
•
Filing: 1964-10-26
•
Granted: 1968-12-10
•
Expires: 1984-10-26
Abstract
No abstract record available.
Inventors
- 👤 Stephen E Townsend
- 👤 Webster John L Wheeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:27
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/32; H04N1/36; H04J; H04J3/00; H04J3/02; H04J3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2540167A
Cited
US2750498A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |