US3118075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary drive electrical counting impulse generator
Assignee: Badger Meter Inc
•
Filing: 1957-12-23
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Granted: 1964-01-14
•
Expires: 1977-12-23
Abstract
No abstract record available.
Inventors
- 👤 Michael J Dunn
- 👤 Fyfe Clayton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:54
CPC Classifications
G; G01; G01F; G01F15/00; G01F15/06; G01F15/061; G01F15/063; H; H03; H03K; H03K21/00; H03K21/02; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18416; Y10T74/18424; Y10T74/18448
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
152 words
A DEVICE FOR CONVERTING THE KINETIC ENERGY OF A ROTATING SPINDLE INTO PULSES OF ELECTRICAL ENERGY COMPRISING: A MAGNET MEMBER, SAID MAGNET MEMBER HAVING A PLURALITY OF PERMANENT MAGNETS CARRIED THEREBY, SAID MAGNETS HAVE POLE FACES ANGULARLY SPACED WITH ALTERNATELY OPPOSITE POLARITY AND LYING IN A COMMON PLANE; A POLE PIECE FOR EACH OF SAID MAGNETS, EACH OF SAID POLE PIECES HAVING A PAIR OF END FACES, ONE END FACE OF EACH POLE PIECE BEING IN OPERATIVE ASSOCIATION WITH SAID MAGNET POLE FACES AND LYING IN A COMMON PLANE PARALLEL TO THE COMMON PLANE OF SAID MAGNET POLE FACES; AND ACTUATING MEANS OPERATED BY SAID ROTATING SPINDLE TO MOMENTARILY ACCELERATE SAID MAGNET MEMBER AND POLE PIECES INTO RELATIVE MOVEMENT WITH RESPECT TO EACH OTHER, THE RELATIVE PATHS OF MOVEMENT OF SAID MAGNET MEMBER AND POLE PIECES BEING IN SAID COMMON PLANES OF SAID POLE PIECE END FACES AND SAID MAGNET POLE FACES.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |