US2981395A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Operator mechanism for the control of the automatic operation of a series of successive individually selected operational steps in business, calculating and similar machines
Assignee: Individual
•
Filing: 1957-07-09
•
Granted: 1961-04-25
•
Expires: 1977-07-09
Abstract
No abstract record available.
Inventors
- 👤 Charles H Gibson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:29
CPC Classifications
B; B41; B41J; B41J7/00; B41J7/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1688631A
Cited
US2616994A
Cited
US2634310A
Cited
US2649513A
Cited
US2820126A
Cited
US2842244A
Cited
US2872391A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |