US3358797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic control system and apparatus for vehicle parking brakes
Assignee: Universal American Corp
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Filing: 1965-10-20
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Granted: 1967-12-19
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Expires: 1985-10-20
Abstract
No abstract record available.
Inventors
- 👤 Wilfred E Walton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:05
CPC Classifications
B; B60; B60T; B60T7/00; B60T7/02; B60T7/04; B60T7/045; B60T7/047; Y; Y10; Y10S; Y10S188/00; Y10S188/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A SYSTEM FOR AUTOMATIC RELEASE OF THE PARKING BRAKES OF AN AUTOMOTIVE WHEELED VEHICLE POWERED BY AN INTERNAL COMBUSTION ENGINE, IN COMBINATION, MEANS FOR SETTING THE PARKING BRAKES, LOCKING MEANS FOR RETAINING THE PARKING BRAKES IN BRAKE SETTING POSITIONS, ELECTRICALLY ACTUATABLE MEANS FOR RELEASING SAID LOCKING MEANS, A CIRCUIT FOR SAID ELECTRICALLY ACTUABLE RELEASE MEANS, AN ENGINEDRIVEN SOURCE OF ELECTRIC CURRENT FOR SAID CIRCUIT, AND SWITCH MEANS IN SAID CIRCUIT OPERABLE ONLY WHEN THE ENGINE IS IN OPERATION FOR SUPPLYING CURRENT TO SAID CIRCUIT.
Claim 2
Independent Claim
84 words
A SYSTEM FOR AUTOMATIC RELEASE OF THE PARKING BRAKES OF AN AUTOMOTIVE WHEELED VEHICLE POWERED BY AN INTERNAL COMBUSTION ENGINE, IN COMBINATION, MEANS FOR SETTING THE PARKING BRAKES, LOCKING MEANS FOR RETAINING THE PARKING BRAKES IN BRAKE SETTING POSITIONS, ELECTRICALLY ACTUATABLE MEANS FOR RELEASING SAID LOCKING MEANS, A CIRCUIT FOR SAID ELECTRICALLY ACTUABLE RELEASE MEANS, AN ENGINEDRIVEN SOURCE OF ELECTRIC CURRENT FOR SAID CIRCUIT, AND SWITCH MEANS IN SAID CIRCUIT OPERABLE ONLY WHEN THE ENGINE IS IN OPERATION FOR SUPPLYING CURRENT TO SAID CIRCUIT.
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) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |