Patent US3423656A successfully refreshed from Google Patents.
US3423656A
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US
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Spline interpolator with interpolating potentiometers
Assignee: Inductosyn Corp
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Filing: 1963-12-06
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Granted: 1969-01-21
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Expires: 1983-12-06
Abstract
No abstract record available.
Inventors
- 👤 Robert W Tripp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:04
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/41; G05B19/4105; G05B19/19; G05B19/33; G05B19/37; G05B19/371; G06; G06G; G06G7/00; G06G7/12; G06G7/30; G05B2219/00; G05B2219/30; G05B2219/34; G05B2219/34135
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) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |