US3131782A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic transmission power relieving safety device
Assignee: Individual
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Filing: 1962-05-23
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Granted: 1964-05-05
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Expires: 1982-05-23
Abstract
No abstract record available.
Inventors
- 👤 Wilbern M Freeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:16
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/0021; F16H59/00; F16H59/50; F16H61/02; F16H2710/00; F16H59/02; F16H59/08; F16H59/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A SAFETY DEVICE FOR A VEHICLE EQUIPPED WITH AT LEAST ONE DOOR AND WITH A TRANSMISSION HAVING VEHICLE OPERATING AND VEHICLE NON-OPERATING CONDITIONS THE FORMER OF WHICH IS EFFECTED BY OPERATING POWER WITHIN SAID TRANSMISSION, COMPRISING FIRST AND SECOND SWITCH MEANS FOR OPERATION TO RESPECTIVE CLOSED CIRCUIT CONDITIONS RESPECTIVELY WHEN SAID DOOR IS AT LEAST PARTIALLY OPEN AND WHEN SAID TRANSMISSION IS IN A SAID OPERATING CONDITION, MEANS AUTOMATICALLY OPERATIVE, WHEN BOTH OF SAID FIRST AND SECOND SWITCH MEANS ARE IN THEIR SAID CLOSED CIRCUIT CONDITION FOR EFFECTIVELY CHANGING THE TRANSMISSION TO A SAID VEHICLE NON-OPERTING CONDITION, AND MEANS COUPLED TO SAID FIRST AND SECOND SWITCH MEANS FOR CAUSING SAID TRANSMISSION TO REMAIN RELIEVED UNTIL SAID SECOND SWITCH MEANS IS CAUSED TO BE IN AN OPEN CIRCUIT CONDITION EVEN IF SAID FIRST SWITCH MEANS HAS ITS SAID CLOSED CIRCUIT CONDITION OPENED EARLIER.
Claim 2
Dependent Claim
142 words
A SAFETY DEVICE FOR A VEHICLE EQUIPPED WITH AT LEAST ONE DOOR AND WITH A TRANSMISSION HAVING VEHICLE OPERATING AND VEHICLE NON-OPERATING CONDITIONS THE FORMER OF WHICH IS EFFECTED BY OPERATING POWER WITHIN SAID TRANSMISSION, COMPRISING FIRST AND SECOND SWITCH MEANS FOR OPERATION TO RESPECTIVE CLOSED CIRCUIT CONDITIONS RESPECTIVELY WHEN SAID DOOR IS AT LEAST PARTIALLY OPEN AND WHEN SAID TRANSMISSION IS IN A SAID OPERATING CONDITION, MEANS AUTOMATICALLY OPERATIVE, WHEN BOTH OF SAID FIRST AND SECOND SWITCH MEANS ARE IN THEIR SAID CLOSED CIRCUIT CONDITION FOR EFFECTIVELY CHANGING THE TRANSMISSION TO A SAID VEHICLE NON-OPERTING CONDITION, AND MEANS COUPLED TO SAID FIRST AND SECOND SWITCH MEANS FOR CAUSING SAID TRANSMISSION TO REMAIN RELIEVED UNTIL SAID SECOND SWITCH MEANS IS CAUSED TO BE IN AN OPEN CIRCUIT CONDITION EVEN IF SAID FIRST SWITCH MEANS HAS ITS SAID CLOSED CIRCUIT CONDITION OPENED EARLIER.
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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |