US3122686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Position signal generating apparatus
Assignee: George Richards and Co Ltd
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Filing: 1960-08-04
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Granted: 1964-02-25
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Expires: 1980-08-04
Abstract
No abstract record available.
Inventors
- 👤 Davies Beaumont John
- 👤 Wallis Clive
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:15
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/19; G05B19/33; G05B19/35; G05B19/351; G01; G01D; G01D5/00; G01D5/26; G01D5/32; G01D5/34; G01D5/36; G01D5/38; G05B19/04; G05B19/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
POSITION SIGNAL GENERATING APPARATUS COMPRISING TWO RELATIVELY MOVABLE MEMBERS INCLUDING MEANS FOR ESTABLISHING A PATTERN EXTENDING IN SPACE OF A VARYING QUANTITY AND FOR DETECTING THE QUANTITY LOCALLY IN THE PATTERN, WHICH MEANS COMPRISE A PLURALITY OF UNITS SENSITIVE TO SAID QUANTITY AND CAPABLE OF BEING SWITCHED ON AND OFF, MEANS FOR GENERATING A CYCLICALLY VARYING SWITCHING SIGNAL, MEANS CONNECTED TO THE GENERATING MEANS FOR SWITCHING THE UNITS
Claim 2
Dependent Claim
68 words
POSITION SIGNAL GENERATING APPARATUS COMPRISING TWO RELATIVELY MOVABLE MEMBERS INCLUDING MEANS FOR ESTABLISHING A PATTERN EXTENDING IN SPACE OF A VARYING QUANTITY AND FOR DETECTING THE QUANTITY LOCALLY IN THE PATTERN, WHICH MEANS COMPRISE A PLURALITY OF UNITS SENSITIVE TO SAID QUANTITY AND CAPABLE OF BEING SWITCHED ON AND OFF, MEANS FOR GENERATING A CYCLICALLY VARYING SWITCHING SIGNAL, MEANS CONNECTED TO THE GENERATING MEANS FOR SWITCHING THE UNITS
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) | 1967-02-24 | 1967-08-26 | 1968-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-24 | 1971-08-26 | 1972-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-24 | 1975-08-26 | 1976-02-25 | $7700.00 | Window Closed / Lapsed |