US4293975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Attachment for windshield wiper blades
Assignee: Individual
•
Filing: 1980-01-14
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Granted: 1981-10-13
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Expires: 2000-01-14
Abstract
Abstract An attachment for windshield wiper blades for vehicles and comprising a body member having an elongated slot or recess provided therein for removably receiving the wiper blade, the outer surface of the body oppositely disposed from the recess being of an arcuate cross sectional configuration whereby the oppositely disposed edges thereof are relatively sharp to provide scraping elements engageable with the outer surface of the windshield, and a transversely extending scraper element provided across the outer end of the body for manual scraping of the windshield.
Inventors
- 👤 Bobby J. Ainsworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:01
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/0491; B60S3/00; B60S3/04; B60S3/045; B60S1/32; B60S1/38; B60S2001/3827; B60S2001/3829; B60S2001/3832
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
117 words
An attachment for vehicle windshield wiper blades and comprising an elongated body having a slot extending longitudinally along one side thereof for receiving a wiper blade therein, scraper means provided on the opposite side edges of the body and extending longitudinally therealong to provide a scraping of the windshield during operation of the wiper blades, and transversely extending scraper means provided on one end of the body for manual scraping of the windshield for facilitating the scraping action of the longitudinal scraper means, wherein the transverse scraping edge comprises an angularly and outwardly extending flange, and ascraping edge provided at the outer end of the flange extending transversely with respect to the longitudinal axis of the body.
Claim 2
Dependent Claim
117 words
An attachment for vehicle windshield wiper blades and comprising an elongated body having a slot extending longitudinally along one side thereof for receiving a wiper blade therein, scraper means provided on the opposite side edges of the body and extending longitudinally therealong to provide a scraping of the windshield during operation of the wiper blades, and transversely extending scraper means provided on one end of the body for manual scraping of the windshield for facilitating the scraping action of the longitudinal scraper means, wherein the transverse scraping edge comprises an angularly and outwardly extending flange, and ascraping edge provided at the outer end of the flange extending transversely with respect to the longitudinal axis of the body.
Claim 3
Dependent Claim
36 words
An attachment as set forth in claim 1 wherein the slot is provided with one open end for receiving the wiper blade therethrough and one closed end for receiving one end of the wiper blade thereagainst.
Claim 4
Dependent Claim
66 words
An attachment as set forth in claim 1 wherein the longitudinally extending scraper means comprises a main body portion having an uninterrupted substantially flat surface oppositely disposed with respect to the slot, a pair of spaced mutually parallel scraping edges extending outwardly along the opposite edges of the flat surface for independent engagement with the outer surface of the windshield during operation of the wiper blades.
Claim 5
Dependent Claim
29 words
An attachment as set forth in claim 3 wherein one of the longitudinal scraping edges is provided with a plurality of longitudinally spaced teeth for facilitating the scraping operation.
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) | 1984-10-12 | 1985-04-13 | 1985-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-10-12 | 1989-04-13 | 1989-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-10-12 | 1993-04-13 | 1993-10-13 | $7700.00 | Window Closed / Lapsed |