US3553683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bipolar pattern sensing shaft encoder
Assignee: RTX Corp
•
Filing: 1967-07-27
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Granted: 1971-01-05
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Expires: 1987-07-27
Abstract
Abstract A BIPOLAR PATTERN SENSING SHAFT ENCODER IN WHICH THE LEAST SIGNIFICANT OUTPUT CONTROLS THE POLARITY OF SWITCHING SEGMENTS LOCATED AT TRANSFER POINTS IN ROWS OF GREATER SIGNIFICANCE TO SYNCHRONIZE THE MORE SIGNIFICANT OUTPUTS WITH THE LEAST SIGNIFICANT OUTPUT.
Inventors
- 👤 Earl P Simoneau
- 👤 George Manos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:46
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |