Patent US3393787A successfully refreshed from Google Patents.
US3393787A
Expired / Lapsed
US
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Impression control mechanism
Assignee: International Business Machines Corp
•
Filing: 1966-12-28
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Granted: 1968-07-23
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Expires: 1986-12-28
Abstract
No abstract record available.
Inventors
- 👤 Ronald D Dodge
- 👤 Iii Benjamin T Crutcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:48
CPC Classifications
B; B41; B41J; B41J7/00; B41J7/92; B41J7/94
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2344167A
Cited
US2796966A
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US2750022A
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US3077255A
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US3011616A
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US3233714A
Cited
US3250365A
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US3250366A
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US3259223A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |