US3176124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dipped headlamps for motor vehicles
Assignee: Individual
•
Filing: 1962-12-18
•
Granted: 1965-03-30
•
Expires: 1982-12-18
Abstract
No abstract record available.
Inventors
- 👤 Cibie Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:52
CPC Classifications
F; F21; F21V; F21V7/00; F21V7/04; F21S; F21S41/00; F21S41/30; F21S41/32; F21S41/33; F21S41/334; F21S41/336; F21S41/40; F21S41/43; F21W; F21W2107/00; F21W2107/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
IN A HEADLAMP HAVING A CUT-OFF BEAM LIMITED BY A BOUNDARY SURFACE FOR DIPPED LIGHTING ON AN AUTOMOTIVE VEHICLE, IN COMBINATION, A SOURCE OF LIGHT, REFLECTING MEANS CONSTITUTED BY AT LEAST A PAIR OF LATERAL SEGMENTS OF REFLECTING SURFACES OF REVOLUTION, GENERATED BY EACH BY A CORRESPONDING SECTOR OF A PRABOLIC LINE CONTAINED IN SAID BOUNDARY SURFACE OF SAID BEAM, SAID SECTORS HAVING A COMMON FOCUS DISPOSED IN THE VICINITY OF SAID LIGHT SOURCE, SAID SECTORS BEING EACH GEOMETRICALLY ROTATED AROUND RESPECTIVE CORRESPONDING DISTINCT AND FIXED AXES OF REVOLUTION, EXTERNALLY DISPOSED WITH RESPECT TO SAID COMMON FOCUS, AND MEANS FOR BLOCKING THE PASSAGE OF AT LEAST A PORTION OF THE LIGHT GENERATED BY SAID LIGHT SOURCE AND COMPRISING A SCREEN SITUATED ON ONE SIDE OF SAID SOURCE AND HAVING FREE EDGES SUBSTANTIALLY COINCIDING EACH WITH ONE OF SAID AXES OF REVOLUTION.
Claim 2
Dependent Claim
141 words
IN A HEADLAMP HAVING A CUT-OFF BEAM LIMITED BY A BOUNDARY SURFACE FOR DIPPED LIGHTING ON AN AUTOMOTIVE VEHICLE, IN COMBINATION, A SOURCE OF LIGHT, REFLECTING MEANS CONSTITUTED BY AT LEAST A PAIR OF LATERAL SEGMENTS OF REFLECTING SURFACES OF REVOLUTION, GENERATED BY EACH BY A CORRESPONDING SECTOR OF A PRABOLIC LINE CONTAINED IN SAID BOUNDARY SURFACE OF SAID BEAM, SAID SECTORS HAVING A COMMON FOCUS DISPOSED IN THE VICINITY OF SAID LIGHT SOURCE, SAID SECTORS BEING EACH GEOMETRICALLY ROTATED AROUND RESPECTIVE CORRESPONDING DISTINCT AND FIXED AXES OF REVOLUTION, EXTERNALLY DISPOSED WITH RESPECT TO SAID COMMON FOCUS, AND MEANS FOR BLOCKING THE PASSAGE OF AT LEAST A PORTION OF THE LIGHT GENERATED BY SAID LIGHT SOURCE AND COMPRISING A SCREEN SITUATED ON ONE SIDE OF SAID SOURCE AND HAVING FREE EDGES SUBSTANTIALLY COINCIDING EACH WITH ONE OF SAID AXES OF REVOLUTION.
References Cited (Backward Citations)
US1306511A
Cited
CA621109A
Cited
US1280626A
Cited
FR527896A
Cited
US1525234A
Cited
US1912487A
Cited
US2106533A
Cited
FR1224680A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |