US3275820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Illuminating system
Assignee: Individual
•
Filing: 1963-12-26
•
Granted: 1966-09-27
•
Expires: 1983-12-26
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Szarkowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:15
CPC Classifications
F; F21; F21S; F21S41/00; F21S41/40; F21S41/43
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
93 words
IN COMBINATION, A SEALED BEAM LAMP HAVING AN OUTWARDLY CURVED CIRCULAR PRISMATIC LENS WITH AIMING PADS THEREON, A LAMP RETAINING RING ADAPTED TO ENGAGE THE OUTER EDGE OF SAID LAMP AND SUPPORT SAID LAMP ON A VEHICLE, AN ANNULAR HOUSING MOUNTED IN FRONT OF SAID LAMP, A TRANSPARENT LENS CLOSING THE FRONT OF SAID HOUSING, A SERIES OF PARALLEL DOWNWARDLY AND FORWARDLY INCLINED TRANSLUCENT LOUVERS IN SAID HOUSING PERMITTING LIGHT TRANSMISSION THEREBETWEEN, SAID LOUVERS BEING ORIENTED GENERALLY HORIZONTALLY AND SPANNING SUBSTANTIALLY THE ENTIRE VERTICAL EXPANSE OF SAID HOUSING, A LOUVER RETAINING RING AFFIXED
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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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |