Patent US3557584A successfully refreshed from Google Patents.
US3557584A
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US
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Safety lock for vehicles
Assignee: Individual
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Filing: 1968-08-20
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Granted: 1971-01-26
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Expires: 1988-08-20
Abstract
Abstract A VEHICLE PROVIDED WITH HYDRAULIC BRAKES IS LOCKED BY HYDRAULIC BRAKING MEANS BY LOCKING ONE OR MORE OF THE FOUR WHEELS OF THE VEHICLE. THIS IS ACCOMPLISHED BY A MASTER SAFETY LOCK CONTROL WHICH IS OPERATED BY TURNING THE IGNITION KEY. THE STEERING COLUMN CAN BE ALSO LOCKED BY A HYDRAULIC BRAKE. THE IGINITION KEY CAN BE PROVIDED WITH A SELF-EJECTING DEVICE. D R A W I N G
Inventors
- 👤 Benito Triglia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:37
CPC Classifications
B; B60; B60R; B60R25/00; B60R25/01; B60R25/08; B60T; B60T11/00; B60T11/10; B60T11/103; B60T11/105; B60T17/00; B60T17/08; B60T17/16; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5615; Y10T70/5619; Y10T70/5633; Y10T70/5646; Y10T70/565; Y10T70/5655; Y10T70/5836; Y10T70/5841; Y10T70/585; Y10T70/5889; Y10T70/70; Y10T70/7441; Y10T70/7763; Y10T70/778; Y10T70/7791; Y10T70/791
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |