US3136914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle headlamp and filament shield therefor
Assignee: General Electric Co
•
Filing: 1960-02-01
•
Granted: 1964-06-09
•
Expires: 1980-02-01
Abstract
No abstract record available.
Inventors
- 👤 Frank J Jayne
- 👤 John E Foerst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:00
CPC Classifications
H; H01; H01K; H01K9/00; H01K9/08; F; F21; F21S; F21S41/00; F21S41/40; F21S41/43
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A SHIELD FOR FIXEDLY MOUNTING IN A VEHICLE HEADLAMP IMMEDIATELY IN FRONT OF A COILED FILAMENT DISPOSED IN A SUBSTANTIALLY HORIZONTAL PLANE THEREIN FOR INTERCEPTING CERTAIN GLARE-PRODUCING LIGHT RAYS DIRECTED FORWARDLY FROM SAID FILAMENT ABOVE AND BELOW SAID PLANE, SAID SHIELD COMPRISING AN UPPER SHIELD SECTION DISPOSABLE ABOVE SAID HORIZONTAL PLANE TO INTERCEPT CERTAIN GLARE-PRODUCING LIGHT RAYS FROM SAID FILAMENT DIRECTED FORWARDLY THEREFROM ABOVE SAID HORIZONTAL PLANE, A LOWER SHIELD SECTION BEING DISPOSABLE BELOW SAID HORIZONTAL PLANE TO INTERCEPT CERTAIN GLARE-PRODUCING LIGHT RAYS FROM SAID FILAMENT DIRECTED FORWARDLY THEREFROM BELOW SAID HORIZONTAL PLANE, AND MEANS JOINING SAID SHIELD SECTIONS IN VERTICALLY SPACED RELATION TO DEFINE A GENERALLY CENTRAL OPENING IN SAID SHIELD BETWEEN SAID SECTIONS TO PERMIT PASSAGE THERETHROUGH OF SELECTED DIRECT LIGHT RAYS FROM SAID FILAMENT.
Claim 2
Dependent Claim
127 words
A SHIELD FOR FIXEDLY MOUNTING IN A VEHICLE HEADLAMP IMMEDIATELY IN FRONT OF A COILED FILAMENT DISPOSED IN A SUBSTANTIALLY HORIZONTAL PLANE THEREIN FOR INTERCEPTING CERTAIN GLARE-PRODUCING LIGHT RAYS DIRECTED FORWARDLY FROM SAID FILAMENT ABOVE AND BELOW SAID PLANE, SAID SHIELD COMPRISING AN UPPER SHIELD SECTION DISPOSABLE ABOVE SAID HORIZONTAL PLANE TO INTERCEPT CERTAIN GLARE-PRODUCING LIGHT RAYS FROM SAID FILAMENT DIRECTED FORWARDLY THEREFROM ABOVE SAID HORIZONTAL PLANE, A LOWER SHIELD SECTION BEING DISPOSABLE BELOW SAID HORIZONTAL PLANE TO INTERCEPT CERTAIN GLARE-PRODUCING LIGHT RAYS FROM SAID FILAMENT DIRECTED FORWARDLY THEREFROM BELOW SAID HORIZONTAL PLANE, AND MEANS JOINING SAID SHIELD SECTIONS IN VERTICALLY SPACED RELATION TO DEFINE A GENERALLY CENTRAL OPENING IN SAID SHIELD BETWEEN SAID SECTIONS TO PERMIT PASSAGE THERETHROUGH OF SELECTED DIRECT LIGHT RAYS FROM SAID FILAMENT.
References Cited (Backward Citations)
US1262395A
Cited
US1607515A
Cited
US1946587A
Cited
US1880893A
Cited
US2327144A
Cited
US2858467A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |