US2926983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet record machine
Assignee: McGraw Edison Co
•
Filing: 1955-02-14
•
Granted: 1960-03-01
•
Expires: 1975-02-14
Abstract
No abstract record available.
Inventors
- 👤 George H Fritzinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:11
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/04; H04N1/06; H04N1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1713644A
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US2083044A
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US2231109A
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US2451080A
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US2668718A
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US2653819A
Cited
US2622517A
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US2513409A
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US2666808A
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US2622000A
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US2717549A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |