US3136489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety work light
Assignee: Individual
•
Filing: 1962-01-24
•
Granted: 1964-06-09
•
Expires: 1982-01-24
Abstract
No abstract record available.
Inventors
- 👤 Oharenko Vladimir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:28
CPC Classifications
F; F21; F21L; F21L14/00; F21L14/02; F21L14/026; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
154 words
AN ELECTRIC LAMP COMPRISING A TUBULAR SUPPORT HOUSING HAVING A LIGHT EMITTING TRANSLUCENT PORTION, A GENERALLY TUBULAR FLUORESCENT LAMP HAVING AN ELONGATED FRANGIBLE PORTION, SAID FLUORESCENT LAMP HAVING A LENGTH LESS THAN THAT OF SAID HOUSING AND AN EXTERNAL DIAMETER LESS THAN THE INTERNAL DIAMETER OF SAID HOUSING, SAID FLUORESCENT LAMP BEING DISPOSED WITHIN SAID HOUSING, A PLURALITY OF RESILIENT SPACERS INTERPOSED BETWEEN SAID FRANGIBLE PORTION OF SAID FLUORESCENT LAMP AND SAID HOUSING, SAID SPACERS PROVIDING THE SOLE SUPPORT FOR SAID FLUORESCENT LAMP, A PAIR SAID HOUSING, TERMINAL MEANS SUPPORTED BY SAID LAMP FOR SUPPLYING ELECTRIC ENERGY TO SAID FLUORESCENT LAMP, A PAIR OF INSULATING CAPS FITTED OVER THE ENDS OF SAID HOUSING, A SWITCH DISPOSED IN ONE END OF SAID HOUSING ADJACENT TO ONE END OF SAID FLUORESCENT LAMP, ELECTRIC LEADS CONNECTING SAID SWITCH TO SAID TERMINAL MEANS, AND SHOCK ABSORBING MEANS MOUNTING SAID SWITCH IN SAID HOUSING INDEPENDENTLY OF SAID FLUORESCENT LAMP.
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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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |