US2876410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rechargeable battery capsule
Assignee: Individual
•
Filing: 1957-05-31
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Granted: 1959-03-03
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Expires: 1977-05-31
Abstract
No abstract record available.
Inventors
- 👤 Donald R Fry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:07
CPC Classifications
F; F21; F21L; F21L4/00; F21L4/08; F21L4/085; H; H01; H01M; H01M50/00; H01M50/20; H01M50/204; H01M50/207; H01M50/216; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A SELF CONTAINED RECHARGEABLE CAPSULE FOR INSERTION IN A FLASHLIGHT CASE COMPRISING AN ELECTRICALLY INSULTATIVE BODY HAVING NICKEL-CADMIUM BATTERY CELLS THEREIN AND HAVING A RECTIFIER MOUNTED THEREIN, PRONGS EXTENDING OUTWARDLY OF SAID BODY, ONE OF SAID PRONGS BEING ELECTRICALLY CONNECTED TO SAID RECTIER, SAID RECTIFIER BEING ELECTRICALLY CONNECTED TO SAID BATTERY CELLS, A LAMP SOCKET IN SAID BODY HAVING A LAMP THEREIN,SAID LAMP BEING ELECTRICALLY CONNECTED TO SAID BATTERY CELLS, SAID LAMP SOCKET BEING ELECTRICALLY CONNECTED TO OTHER OF SAID PRONGS, A CONTACT CONNECTED TO SAID BATTERY CELLS EMBEDDEDMP IN SAID BODY, SAID BODY HAVING A RECESS THEREIN COMMUNICATING WITH SAID CONTACT, A CAP REMOVABLEY SECURED TO SAID BODY AND HAVING A CONDUCTOR EXTENDING OUTWARDLY OF SAID CAP INTO SAID RECESS AND INTO ENGAGEMENT WITH SAID CONTACT, AND A BUTTON CONTACT ON SAID CAP, SAID CONDUCTOR BEING CONNECTED TO SAID BUTTON CONTACT.
Claim 2
Dependent Claim
142 words
A SELF CONTAINED RECHARGEABLE CAPSULE FOR INSERTION IN A FLASHLIGHT CASE COMPRISING AN ELECTRICALLY INSULTATIVE BODY HAVING NICKEL-CADMIUM BATTERY CELLS THEREIN AND HAVING A RECTIFIER MOUNTED THEREIN, PRONGS EXTENDING OUTWARDLY OF SAID BODY, ONE OF SAID PRONGS BEING ELECTRICALLY CONNECTED TO SAID RECTIER, SAID RECTIFIER BEING ELECTRICALLY CONNECTED TO SAID BATTERY CELLS, A LAMP SOCKET IN SAID BODY HAVING A LAMP THEREIN,SAID LAMP BEING ELECTRICALLY CONNECTED TO SAID BATTERY CELLS, SAID LAMP SOCKET BEING ELECTRICALLY CONNECTED TO OTHER OF SAID PRONGS, A CONTACT CONNECTED TO SAID BATTERY CELLS EMBEDDEDMP IN SAID BODY, SAID BODY HAVING A RECESS THEREIN COMMUNICATING WITH SAID CONTACT, A CAP REMOVABLEY SECURED TO SAID BODY AND HAVING A CONDUCTOR EXTENDING OUTWARDLY OF SAID CAP INTO SAID RECESS AND INTO ENGAGEMENT WITH SAID CONTACT, AND A BUTTON CONTACT ON SAID CAP, SAID CONDUCTOR BEING CONNECTED TO SAID BUTTON CONTACT.
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) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |