US4020338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Auto headlight lens shield
Assignee: AUTO GARD Inc
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Filing: 1975-06-16
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Granted: 1977-04-26
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Expires: 1995-06-16
Abstract
Abstract A headlight lens shield comprises a convex base plate with a rectangular opening therein. The convex base plate includes three dimples which accurately locate the shield on the face lens of a sealed beam headlight.
Inventors
- 👤 Norton M. Kirsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:15
CPC Classifications
F; F21; F21S; F21S41/00; F21S41/40; F21S41/43
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
105 words
A headlight lens shield comprising a convex base plate having a reflective inner surface shaped and dimensioned to fit over the front lens of a circular sealed beam headlight, the outer periphery of the shield being an offset rim step fitting behind and held in place by the rim or door surrounding said headlight, and a rectangular front opening in said shield for passing light transmitted through the headlight lens, the diagonal of said rectangular opening approaching the diameter of said headlight and the area of said rectangular opening being a substantial portion of the area of the circular lens of said sealed beam headlight.
Claim 2
Dependent Claim
105 words
A headlight lens shield comprising a convex base plate having a reflective inner surface shaped and dimensioned to fit over the front lens of a circular sealed beam headlight, the outer periphery of the shield being an offset rim step fitting behind and held in place by the rim or door surrounding said headlight, and a rectangular front opening in said shield for passing light transmitted through the headlight lens, the diagonal of said rectangular opening approaching the diameter of said headlight and the area of said rectangular opening being a substantial portion of the area of the circular lens of said sealed beam headlight.
Claim 3
Dependent Claim
17 words
The lens shield of claim 1 wherein the outside surface of said shield has an ornamental finish.
Claim 4
Dependent Claim
86 words
A headlight lens shield comprising a convex base plate having a reflective inner surface shaped and dimensioned to fit over the front lens of sealed beam headlight, said convex base plate having position locators shaped and dimensioned to fit over detents on the headlight lens, the outer periphery of the shield being an offset rim step fitting behind and held in place by the rim or door surrounding said headlight, and a rectangular front opening in said shield for passing light transmitted through the headlight lens.
Claim 5
Dependent Claim
86 words
A headlight lens shield comprising a convex base plate having a reflective inner surface shaped and dimensioned to fit over the front lens of sealed beam headlight, said convex base plate having position locators shaped and dimensioned to fit over detents on the headlight lens, the outer periphery of the shield being an offset rim step fitting behind and held in place by the rim or door surrounding said headlight, and a rectangular front opening in said shield for passing light transmitted through the headlight lens.
Claim 6
Dependent Claim
34 words
The lens shield of claim 3 wherein said rectangular front opening is located in said shield at a position which guides and directs the light from the sealed beam unit in a preselected direction.
References Cited (Backward Citations)
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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) | 1980-04-25 | 1980-10-25 | 1981-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-04-25 | 1984-10-25 | 1985-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-04-25 | 1988-10-25 | 1989-04-26 | $7700.00 | Window Closed / Lapsed |