Patent US3671998A successfully refreshed from Google Patents.
US3167659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic starting control
Assignee: Motors Liquidation Co
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Filing: 1960-07-12
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Granted: 1965-01-26
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Expires: 1980-07-12
Abstract
No abstract record available.
Inventors
- 👤 Harold J Cromwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:40
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/16; H01H50/18; H01H50/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN COMBINATION, AN INTERNAL COMBUSTION ENGINE, AN ELECTRIC STARTING MOTOR ADAPTED TO CRANK SAID ENGINE, A GENERATOR DRIVEN BY SAID ENGINE, A STORAGE BATTERY, A STARTING CIRCUIT INTERCONNECTING SAID STARTING MOTOR AND SAID STORAGE BATTERY, AND RELAY MEANS CONTROLLING SAID STARTING CIRCUIT, SAID RELAY MEANS INCLUDING AN ACTUATING COIL WINDING AND A PAIR OF NORMALLY CLOSED SWITCH CONTACTS, MEANS CONNECTING SAID COIL WINDING WITH SAID GENERATOR WHEREBY SAID CONTACTS ARE OPENED WHEN SAID GENERATOR IS DEVELOPING A PREDETERMINED OUTPUT VOLTAGE, LATCH MEANS HOLDING SAID CONTACTS OPEN WHEN SAID GENERATOR DEVELOPS SAID PREDETERMINED OUTPUT VOLTAGE TO CAUSE SAID CONTACTS TO OPEN, AND MEANS FOR RELEASING SAID LATCH MEANS AT A PREDETERMINED TIME DELAY FOLLOWING A REDUCTION OF GENERATOR OUTPUT VOLTAGE BELOW SAID PREDETERMINED VALUE.
Claim 2
Dependent Claim
123 words
IN COMBINATION, AN INTERNAL COMBUSTION ENGINE, AN ELECTRIC STARTING MOTOR ADAPTED TO CRANK SAID ENGINE, A GENERATOR DRIVEN BY SAID ENGINE, A STORAGE BATTERY, A STARTING CIRCUIT INTERCONNECTING SAID STARTING MOTOR AND SAID STORAGE BATTERY, AND RELAY MEANS CONTROLLING SAID STARTING CIRCUIT, SAID RELAY MEANS INCLUDING AN ACTUATING COIL WINDING AND A PAIR OF NORMALLY CLOSED SWITCH CONTACTS, MEANS CONNECTING SAID COIL WINDING WITH SAID GENERATOR WHEREBY SAID CONTACTS ARE OPENED WHEN SAID GENERATOR IS DEVELOPING A PREDETERMINED OUTPUT VOLTAGE, LATCH MEANS HOLDING SAID CONTACTS OPEN WHEN SAID GENERATOR DEVELOPS SAID PREDETERMINED OUTPUT VOLTAGE TO CAUSE SAID CONTACTS TO OPEN, AND MEANS FOR RELEASING SAID LATCH MEANS AT A PREDETERMINED TIME DELAY FOLLOWING A REDUCTION OF GENERATOR OUTPUT VOLTAGE BELOW SAID PREDETERMINED VALUE.
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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) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |