Patent US3243659A successfully refreshed from Google Patents.
US3243659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable ballast unit for a fluorescent light
Assignee: Individual
•
Filing: 1961-12-05
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Granted: 1966-03-29
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Expires: 1981-12-05
Abstract
No abstract record available.
Inventors
- 👤 Bostonian Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:50
CPC Classifications
F; F21; F21V; F21V23/00; F21V23/02; H; H01; H01R; H01R13/00; H01R13/62; H01R13/629; H01R13/62933; H05; H05B; H05B1/00; H05B41/00; H05B41/14; H05B41/16; H05B41/20; H05B41/23; H05B41/232; H05B41/2325; Y; Y10; Y10S; Y10S174/00; Y10S174/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
77 words
A FLUORESCENT LIGHTING UNIT COMPRISING: A READILY DETACHABLE SCREW-FREE ATTACHABLE BALLAST MOUNTED ON A SUPPORT, SAID BALLAST PROVIDING REGULATION OF THE ELECTRICAL ENERGY WHICH OPERATES THE FLUORESCING COMPONENT IN SAID LIGHTING UNIT, THE BALLAST BEING: (A) GUIDABLE BY MEANS ON THE SUPPORT, AND (B) INSERTED INTO MEANS FOR HOLDING A PORTION AND OUT OF THE BALLAST, AND THE BALLAST BEING ENGAGED BY LOCKING MEANS WHICH, WHEN ACTUATED, MOVES THE BALLAST INTO AND OUT OF SAID HOLDING MEANS.
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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |