US3588490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lamp device
Assignee: Individual
•
Filing: 1968-12-04
•
Granted: 1971-06-28
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Expires: 1988-12-04
Abstract
Abstract A SELF-CONTAINED LAMP DEVICE HAVING A HOLLOW BODY SUBSTANTIALLY IN THE SHAPE OF A SPHERICAL SEGMENT HAVING A FLATTENED BASE AND A PLATFORM REMOVABLY MOUNTED WITHIN THE HOLLOW BODY. A PAIR OF BATTERIES ARE MOUNTED IN THE PLATFORM AND ENGAGE A PLURALITY OF CONTACTS MOUNTED IN SAID PLATFORM FOR ENERGIZING AN ELECTRIC LIGHT BULB MOUNTED IN A RESILIENT CONDUCTOR EXTENDING OUTWARDLY FROM ONE OF SAID CONTACTS. THE BODY HAS A RESILIENT PORTION WHICH IS DEFORMABLE INWARDLY TO ENGAGE AND OPERATE BULB-ENERGIZING MEANS WHICH ARE OPERATIVE TO MOVE THE RESILIENT CONDUCTOR AND LIGHT BULB BETWEEN AN "OFF" POSITION AND "ON" POSITION.
Inventors
- 👤 Thomas H Nicholl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:54
CPC Classifications
F; F21; F21L; F21L2/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |