Patent US3371253A successfully refreshed from Google Patents.
US3371253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control for electrically operated brake
Assignee: Motor Wheel Corp
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Filing: 1965-08-30
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Granted: 1968-02-27
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Expires: 1985-08-30
Abstract
No abstract record available.
Inventors
- 👤 Harold C Hubbard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:05
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/74
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A CIRCUIT FOR CONTROLLING ELECTRICALLY OPERATED BRAKES ADAPTED FOR USE IN CONNECTION WITH AN AUTOMOTIVE VEHICLE HAVING A SOURCE OF ELECTRICAL ENERGY, SAID CIRCUIT COMPRISING AT LEAST ONE AMPLIFYING ELECTRON DEVICE HAVING A CHARGE-EMITTING ELECTRODE, A CHARGE-COLLECTING ELECTRODE AND A CONTROL ELECTRODE, COIL MEANS FOR ACTUATING THE BRAKES, MEANS CONNECTING SAID COIL MEANS IN SERIES WITH THE CHARGE-EMITTING AND CHARGE-COLLECTING ELECTRODES OF
Claim 2
Dependent Claim
62 words
A CIRCUIT FOR CONTROLLING ELECTRICALLY OPERATED BRAKES ADAPTED FOR USE IN CONNECTION WITH AN AUTOMOTIVE VEHICLE HAVING A SOURCE OF ELECTRICAL ENERGY, SAID CIRCUIT COMPRISING AT LEAST ONE AMPLIFYING ELECTRON DEVICE HAVING A CHARGE-EMITTING ELECTRODE, A CHARGE-COLLECTING ELECTRODE AND A CONTROL ELECTRODE, COIL MEANS FOR ACTUATING THE BRAKES, MEANS CONNECTING SAID COIL MEANS IN SERIES WITH THE CHARGE-EMITTING AND CHARGE-COLLECTING ELECTRODES OF
References Cited (Backward Citations)
US3324372A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |