US3502803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Facsimile line skipping apparatus
Assignee: Xerox Corp
•
Filing: 1967-05-12
•
Granted: 1970-03-24
•
Expires: 1987-05-12
Abstract
No abstract record available.
Inventors
- 👤 John J Bigenwald
- 👤 Robert W Rambo
- 👤 Gerald A Buddendeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:55
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/04; H04N1/06; H04N1/0607; H04N1/0621; H04N1/0628; H04N1/0635; H04N1/0664; H04N1/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1857130A
Cited
US2640875A
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US2287413A
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US2443953A
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US2776336A
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US2864886A
Cited
US3064077A
Cited
US3201512A
Cited
US3235660A
Cited
US3379832A
Cited
US3325821A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-23 | 1973-09-22 | 1974-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-23 | 1977-09-22 | 1978-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-23 | 1981-09-22 | 1982-03-24 | $7700.00 | Window Closed / Lapsed |