US3384781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-contained battery-powered electric incandescent lamp
Assignee: General Electric Co
•
Filing: 1966-10-31
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Granted: 1968-05-21
•
Expires: 1986-10-31
Abstract
No abstract record available.
Inventors
- 👤 Robert F Holle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:22
CPC Classifications
H; H01; H01K; H01K1/00; H01K1/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
AN ELECTRIC LAMP COMPRISING A GLASS BULB HAVING A PAIR OF SEPARATE HERMETICALLY-SEALED CHAMBERS, A WATERACTIVATED DEFERRED ACTION BATTERY DISPOSED IN ONE OF SAID CHAMBERS, SAID BATTERY COMPRISING POSITIVE AND NEGATIVE ELECTRODE MEMBERS SEPARATED BY AN INTERPOSED SEPARATOR MEMBER, A FILAMENT DISPOSED IN THE OTHER OF SAID CHAMBERS, AND A PAIR OF LEAD-IN WIRES EXTENDING INTO EACH OF SAID CHAMBERS AND CONNECTED AT THEIR OPPOSITE ENDS TO RESPECTIVE ENDS OF SAID FILAMENT AND TO RESPECTIVE ONES OF THE SAID ELECTRODE MEMBERS, SAID BULB HAVING A READILY FRANGIBLE GLASS SECTION COMMUNICATING WITH THE SAID ONE CHAMBER TO PROVIDE AN OPENING THEREINTO ON FRACTURE OF SAID SECTION.
Claim 2
Dependent Claim
105 words
AN ELECTRIC LAMP COMPRISING A GLASS BULB HAVING A PAIR OF SEPARATE HERMETICALLY-SEALED CHAMBERS, A WATERACTIVATED DEFERRED ACTION BATTERY DISPOSED IN ONE OF SAID CHAMBERS, SAID BATTERY COMPRISING POSITIVE AND NEGATIVE ELECTRODE MEMBERS SEPARATED BY AN INTERPOSED SEPARATOR MEMBER, A FILAMENT DISPOSED IN THE OTHER OF SAID CHAMBERS, AND A PAIR OF LEAD-IN WIRES EXTENDING INTO EACH OF SAID CHAMBERS AND CONNECTED AT THEIR OPPOSITE ENDS TO RESPECTIVE ENDS OF SAID FILAMENT AND TO RESPECTIVE ONES OF THE SAID ELECTRODE MEMBERS, SAID BULB HAVING A READILY FRANGIBLE GLASS SECTION COMMUNICATING WITH THE SAID ONE CHAMBER TO PROVIDE AN OPENING THEREINTO ON FRACTURE OF SAID SECTION.
References Cited (Backward Citations)
US2063070A
Cited
US3329981A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |