Patent US5250054A successfully refreshed from Google Patents.
US2930033A
Expired / Lapsed
US
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Angular position converter
Assignee: Individual
•
Filing: 1956-04-17
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Granted: 1960-03-22
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Expires: 1976-04-17
Abstract
No abstract record available.
Inventors
- 👤 Richard C Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:22
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/64; H03M1/645
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734188A
Cited
US2611964A
Cited
US2717987A
Cited
US2674729A
Cited
US2775755A
Cited
US2770798A
Cited
US2769969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |