US3056916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interpolating device
Assignee: EMI Ltd
•
Filing: 1958-12-31
•
Granted: 1962-10-02
•
Expires: 1978-12-31
Abstract
No abstract record available.
Inventors
- 👤 Ansell Sidney Clifton
- 👤 Booth Richard Herbert
- 👤 Brown Rex
- 👤 Franklin Donald Peter
- 👤 Rayward William Clifford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:31
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)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |