Patent US5278764A successfully refreshed from Google Patents.
US3307172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Encoder methods and apparatus
Assignee: Harris Corp
•
Filing: 1963-06-11
•
Granted: 1967-02-28
•
Expires: 1983-06-11
Abstract
No abstract record available.
Inventors
- 👤 Edwin R Kolb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:06
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
THE METHOD OF ANGULARLY DIVIDING A CONTINUOUS ANNULAR ELEMENT INTO A PLURALITY OF EQUALLY SPACED ANGULAR BITS COMPRISING THE STEPS OF, MOUNTING FIRST AND SECOND ANNULAR ELEMENTS FOR SYNCHRONOUS ROTATION WITH EACH OTHER WITH SAID SECOND ELEMENT BEING CAPABLE OF RECORDING THEREON, READING AT LEAST ONE MARK ON THE FIRST ELEMENT AT AT LEAST TWO ANGULARLY SPACED POSITIONS, AND RECORDING ON SAID SECOND ELEMENT IN RESPONSE TO THE COINCIDENCE OF SAID MARK ON SAID FIRST ELEMENT WITH SAID POSITIONS.
Claim 2
Independent Claim
79 words
THE METHOD OF ANGULARLY DIVIDING A CONTINUOUS ANNULAR ELEMENT INTO A PLURALITY OF EQUALLY SPACED ANGULAR BITS COMPRISING THE STEPS OF, MOUNTING FIRST AND SECOND ANNULAR ELEMENTS FOR SYNCHRONOUS ROTATION WITH EACH OTHER WITH SAID SECOND ELEMENT BEING CAPABLE OF RECORDING THEREON, READING AT LEAST ONE MARK ON THE FIRST ELEMENT AT AT LEAST TWO ANGULARLY SPACED POSITIONS, AND RECORDING ON SAID SECOND ELEMENT IN RESPONSE TO THE COINCIDENCE OF SAID MARK ON SAID FIRST ELEMENT WITH SAID POSITIONS.
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |