Patent US3277358A successfully refreshed from Google Patents.
US3277358A
Expired / Lapsed
US
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Battery charger
Assignee: Brinkmann Corp
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Filing: 1963-09-09
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Granted: 1966-10-04
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Expires: 1983-09-09
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Nicholl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:58
CPC Classifications
F; F21; F21L; F21L4/00; F21L4/08; F21L4/085; H; H01; H01F; H01F27/00; H01F27/40; H02; H02J; H02J50/00; H02J50/005; H02J50/10; H02J7/00; H02J7/70; H02J7/731; Y; Y10; Y10S; Y10S336/00; Y10S336/02; Y10S439/00; Y10S439/929
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN COMBINATION WITH AN ELECTRICAL APPLIANCE HAVING A BODY WITH AN ELECTRICALLY NON-CONDUCTIVE NON-MAGNETIC PORTION, SAID APPLIANCE BEING POWERED BY A RECHARGEABLE BATTERY, APPARATUS FOR RECHARGING SAID BATTERY COMPRISING; A MOUNTING BRACKET HAVING A NON-MAGNETIC ELECTRICALLY NON-CONDUCTIVE PORTION AND ADAPTED TO REMOVABLY ENGAGE SAID BODY FOR MAINTAINING SAID BRACKET PORTION ADJACENT SAID BODY PORTION, SAID MOUNTING BRACKET HAVING AN ELECTROMAGNETIC CORE MOUNTED THEREIN WITH A POLE THEREOF ADJACENT SAID BRACKET PORTION, AN ELECTRICALLY CONDUCTIVE WIRE COIL CONTAINED WITHIN SAID BRACKET AND SURROUNDING AT LEAST PART OF SAID BRACKET CORE, MEANS FOR IMPRESSING ALTERNATING CURRENT ON SAID BRACKET COIL FOR PRODUCING AN ALTERNATING MAGNETIC FIELD, SAID BODY HAVING ELECTROMAGNETIC CORE MOUNTED THEREIN WITH A POLE THEREOF ADJACENT SAID BODY PORTION, AN ELECTRICALLY CONDUCTIVE WIRE
Claim 2
Dependent Claim
123 words
IN COMBINATION WITH AN ELECTRICAL APPLIANCE HAVING A BODY WITH AN ELECTRICALLY NON-CONDUCTIVE NON-MAGNETIC PORTION, SAID APPLIANCE BEING POWERED BY A RECHARGEABLE BATTERY, APPARATUS FOR RECHARGING SAID BATTERY COMPRISING; A MOUNTING BRACKET HAVING A NON-MAGNETIC ELECTRICALLY NON-CONDUCTIVE PORTION AND ADAPTED TO REMOVABLY ENGAGE SAID BODY FOR MAINTAINING SAID BRACKET PORTION ADJACENT SAID BODY PORTION, SAID MOUNTING BRACKET HAVING AN ELECTROMAGNETIC CORE MOUNTED THEREIN WITH A POLE THEREOF ADJACENT SAID BRACKET PORTION, AN ELECTRICALLY CONDUCTIVE WIRE COIL CONTAINED WITHIN SAID BRACKET AND SURROUNDING AT LEAST PART OF SAID BRACKET CORE, MEANS FOR IMPRESSING ALTERNATING CURRENT ON SAID BRACKET COIL FOR PRODUCING AN ALTERNATING MAGNETIC FIELD, SAID BODY HAVING ELECTROMAGNETIC CORE MOUNTED THEREIN WITH A POLE THEREOF ADJACENT SAID BODY PORTION, AN ELECTRICALLY CONDUCTIVE WIRE
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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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |