Patent US1635442A successfully refreshed from Google Patents.
US2931692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet record machine
Assignee: McGraw Edison Co
•
Filing: 1956-01-09
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Granted: 1960-04-05
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Expires: 1976-01-09
Abstract
No abstract record available.
Inventors
- 👤 Yontar Mehmet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:32
CPC Classifications
G; G01; G01D; G01D15/00; G01D15/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1206462A
Cited
US2036171A
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US2403711A
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US2431360A
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US2464389A
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US2653819A
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US2641654A
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US2649517A
Cited
US2812948A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |