US3154252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable fluorescent light
Assignee: K and H Ind Inc
•
Filing: 1961-08-08
•
Granted: 1964-10-27
•
Expires: 1981-08-08
Abstract
No abstract record available.
Inventors
- 👤 Karl A Baake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:23
CPC Classifications
F; F21; F21L; F21L14/00; F21L14/02; F21L14/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A PORTABLE FLUORESCENT LIGHT COMPRISING AN ELONGATED TUBULAR FLUORESCENT LIGHT BULB HAVING A PAIR OF AXIALLY PROJECTING CONTACT PRONGS AT EACH END, A HOUSING FOR SAID BULB INCLUDING A TRANSPARENT ORGANIC PLASTIC TUBULAR SHELL, A SOCKET MADE OF A RESILIENT PLASTIC MATERIAL FITTING AROUND EACH END OF SAID BULB AND HAVING RADIAL OUTWARD PRESSURE CONTACT WITH THE INTERIOR OF SAID HOUSING, A PAIR OF PARALLEL BORES THROUGH EACH SOCKET POSITIONED TO RECEIVE SAID PRONGS, A METAL CONTACT SLEEVE IN EACH BORE,
Claim 2
Dependent Claim
81 words
A PORTABLE FLUORESCENT LIGHT COMPRISING AN ELONGATED TUBULAR FLUORESCENT LIGHT BULB HAVING A PAIR OF AXIALLY PROJECTING CONTACT PRONGS AT EACH END, A HOUSING FOR SAID BULB INCLUDING A TRANSPARENT ORGANIC PLASTIC TUBULAR SHELL, A SOCKET MADE OF A RESILIENT PLASTIC MATERIAL FITTING AROUND EACH END OF SAID BULB AND HAVING RADIAL OUTWARD PRESSURE CONTACT WITH THE INTERIOR OF SAID HOUSING, A PAIR OF PARALLEL BORES THROUGH EACH SOCKET POSITIONED TO RECEIVE SAID PRONGS, A METAL CONTACT SLEEVE IN EACH BORE,
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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) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |