US3022953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interpolators, especially for control mechanism for automatic machines
Assignee: EMI Ltd
•
Filing: 1956-10-22
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Granted: 1962-02-27
•
Expires: 1976-10-22
Abstract
No abstract record available.
Inventors
- 👤 Udall Anthony John Shawcross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:36
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/41; G05B19/4105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB389524A
Cited
US2662144A
Cited
US2781967A
Cited
US2662147A
Cited
US2659849A
Cited
US2784359A
Cited
US2928604A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-26 | 1965-08-28 | 1966-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-26 | 1969-08-28 | 1970-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-26 | 1973-08-28 | 1974-02-27 | $7700.00 | Window Closed / Lapsed |