US3308419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power supply means
Assignee: Allis Chalmers Corp
•
Filing: 1964-04-27
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Granted: 1967-03-07
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Expires: 1984-04-27
Abstract
No abstract record available.
Inventors
- 👤 Stanley E Rohowetz
- 👤 Cyril V Shallow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:05
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/20; H01M50/204; H01M50/207; H01M50/213; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
119 words
IN A CONTACTOR FOR SUBSTITUTION FOR A DRY CELL BATTERY IN A BATTERY HOLDER OF A DEVICE WHICH IS TO BE ENERGIZED FROM A POWER SUPPLY SOURCE, IN COMBINATION, A HOLLOW INSULATING CASE, SAID CASE HAVING A WIRE RECEIVING OPENING THROUGH AT LEAST ONE SIDE THEREOF COMMUNICATING WITH THE HOLLOW INTERIOR OF SAID CASE, A PAIR OF CONTACTS MOUNTED ON SAID CASE, AT LEAST ONE OF SAID CONTACTS BEING MOUNTED ON A SIDE OF SAID CASE OTHER THAN SAID ONE SIDE THEREOF AND HAVING A PORTION EXTENDING INTO THE HOLLOW INTERIOR OF SAID CASE, AND A WIRE LEAD EXTENDING THROUGH SAID WIRE RECEIVING OPENING INTO SAID CASE AND ELECTRICALLY AND MECHANICALLY CONNECTED TO SAID PORTION OF SAID ONE CONTACT.
References Cited (Backward Citations)
US3201742A
Cited
US3209230A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |