Patent US3524926A successfully refreshed from Google Patents.
US3524926A
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System for delta encoding at selected intervals
Assignee: Xerox Corp
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Filing: 1966-08-10
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Granted: 1970-08-18
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Expires: 1986-08-10
Abstract
No abstract record available.
Inventors
- 👤 Arthur T Starr
- 👤 Peter James Greaves
- 👤 Peter F T C Stillwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:07
CPC Classifications
H; H04; H04B; H04B14/00; H04B14/02; H04B14/06; H04B14/062; H03; H03M; H03M3/00; H03M3/02; H04N; H04N1/00; H04N1/41; H04N1/411; H04N1/413; H04N1/417
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2951899A
Cited
US2946851A
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US2949505A
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US3071727A
Cited
US3383461A
Cited
US3423526A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-17 | 1974-02-16 | 1974-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-17 | 1978-02-16 | 1978-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-17 | 1982-02-16 | 1982-08-18 | $7700.00 | Window Closed / Lapsed |