Patent US3866840A successfully refreshed from Google Patents.
US3866840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle headlight de-filming device
Assignee: Individual
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Filing: 1973-08-14
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Granted: 1975-02-18
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Expires: 1993-08-14
Abstract
Abstract This device consists primarily of a modified retaining ring for a sealed beam headlight, the ring including a spray nozzle with hose attachment means for connection with the vehicles'' window spraying unit.
Inventors
- 👤 John Harkrider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:03
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/56; B60S1/60; B60S1/603; B60S1/606; B60S1/46; B60S1/48; B60S1/52
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
81 words
A headlight de-filming device and a vehicle headlight comprising a ring integral with a pair of ears along a periphery thereof, slots in said ears receiving mounting screws secured to a vehicle, said ring being installed around a sealed beam headlight of said vehicle, a spray nozzle secured to said ring, an outlet of said nozzle being adjacent a front edge of said ring, said nozzle being connected by flexible hose means through a pump to a windshield washer water supply.
Claim 2
Dependent Claim
81 words
A headlight de-filming device and a vehicle headlight comprising a ring integral with a pair of ears along a periphery thereof, slots in said ears receiving mounting screws secured to a vehicle, said ring being installed around a sealed beam headlight of said vehicle, a spray nozzle secured to said ring, an outlet of said nozzle being adjacent a front edge of said ring, said nozzle being connected by flexible hose means through a pump to a windshield washer water supply.
Claim 3
Dependent Claim
42 words
The combination according to claim 1, wherein said retaining ring of said device includes a concentric opening for receiving said sealed beam headlight and said flange of said ring embraces the outer periphery of the large diameter portion of said sealed beam.
Claim 4
Dependent Claim
40 words
The combination according to claim 2, wherein said spray nozzle is secured fixedly within said ring so as to direct water spray under pressure downwards upon and against the lens of said sealed beam to thus remove the film therefrom.
Claim 5
Dependent Claim
34 words
The combination according to claim 3, wherein said spray nozzle connected by flexible hose means through fittings so as to direct water from the pump supplying said water, simultaneously to each of said headlights.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-02-17 | 1978-08-19 | 1979-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-17 | 1982-08-19 | 1983-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-17 | 1986-08-19 | 1987-02-18 | $7700.00 | Window Closed / Lapsed |