Patent US3012841A successfully refreshed from Google Patents.
US3012841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet cylinder for image reproducing machines
Assignee: Fairchild Semiconductor Corp
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Filing: 1956-01-13
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Granted: 1961-12-12
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Expires: 1976-01-13
Abstract
No abstract record available.
Inventors
- 👤 Autere Reuben John
- 👤 John R Hancock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:30
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/04; H04N1/06; H04N1/08; H04N1/083; H04N1/0839
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US967079A
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GB191211521A
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US2049169A
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US2157621A
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US2641183A
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US2668498A
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US2581616A
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US2716153A
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US2664821A
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US2869966A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |