Patent US3157352A successfully refreshed from Google Patents.
US3157352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
All-electric taximeter
Assignee: Rockwell Manufacturing Co
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Filing: 1961-07-24
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Granted: 1964-11-17
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Expires: 1981-07-24
Abstract
No abstract record available.
Inventors
- 👤 William P Caywood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:32
CPC Classifications
G; G07; G07B; G07B13/00; G07B13/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN A TAXIMETER HAVING A TOTAL MILEAGE REGISTER, A PAID MILEAGE REGISTER, A FARE REGISTER AND A FIRST SIGNAL GENERATOR FOR GENERATING A FIRST IMPULSE TRAIN HAVING A UNIFORM PULSE RECURRENCE RATE, A SECOND SIGNAL GENERATOR FOR GENERATING A SECOND IMPULSE TRAIN HAVING A PULSE RECURRENCE RATE VARIABLE IN ACCORD WITH THE SPEED OF THE VEHICLE IN WHICH SAID METER IS INSTALLED, MEANS CONNECTING SAID SECOND GENERATOR TO ACTUATE SAID TOTAL MILEAGE REGISTER IN RESPONSE TO EACH IMPULSE PRODUCED BY SAID SECOND GENERATOR, SELECTIVELY ACTUATE MEANS FOR CONNECT-
Claim 2
Dependent Claim
88 words
IN A TAXIMETER HAVING A TOTAL MILEAGE REGISTER, A PAID MILEAGE REGISTER, A FARE REGISTER AND A FIRST SIGNAL GENERATOR FOR GENERATING A FIRST IMPULSE TRAIN HAVING A UNIFORM PULSE RECURRENCE RATE, A SECOND SIGNAL GENERATOR FOR GENERATING A SECOND IMPULSE TRAIN HAVING A PULSE RECURRENCE RATE VARIABLE IN ACCORD WITH THE SPEED OF THE VEHICLE IN WHICH SAID METER IS INSTALLED, MEANS CONNECTING SAID SECOND GENERATOR TO ACTUATE SAID TOTAL MILEAGE REGISTER IN RESPONSE TO EACH IMPULSE PRODUCED BY SAID SECOND GENERATOR, SELECTIVELY ACTUATE MEANS FOR CONNECT-
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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) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |