US3375322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power unit assembly for fluorescent lighting system
Assignee: Thomas Industries Inc
•
Filing: 1963-09-23
•
Granted: 1968-03-26
•
Expires: 1983-09-23
Abstract
No abstract record available.
Inventors
- 👤 Pasquale S Serio
- 👤 Elden H Witte
- 👤 Jr Benjamin S Benson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:33
CPC Classifications
F; F21; F21V; F21V23/00; F21V23/02; F21S; F21S8/00; F21S8/04; F21S8/06; F21S8/061; F21V27/00; F21V27/02; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
71 words
A FLUORESCENT LAMP POWER UNIT ASEMBLY COMPRISING A HOUSING HAVING A TOP WALL, BALLAST MEANS WITHIN SAID HOUSING, FRAME MEANS SECURED TO SAID BALLAST MEANS, MEANS INCLUDING UNRESTRAINED RESILIENT MEANS FOR MOUNTING SAID FRAME MEANS RELATIVE TO SAID HOUSING WHEREBY TO DAMPEN VIBRATIONS OF SAID BALLAST MEANS, AND SAID FRAME MEANS HAVING PROJECTIONS EXTENDING THROUGH SAID TOP WALL AND UNCONNECTED WITH THE LATTER FOR DISSIPATING HEAT DEVELOPED BY SAID BALLAST MEANS.
References Cited (Backward Citations)
US1883893A
Cited
US2339244A
Cited
US2283454A
Cited
US2350105A
Cited
US2678796A
Cited
US2741325A
Cited
US2873358A
Cited
US2759093A
Cited
US3141621A
Cited
US3112890A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |