Patent US3104412A successfully refreshed from Google Patents.
US3104412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windshield cleaners
Assignee: HAMILTON CLAMP AND STAMPING Ltd
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Filing: 1960-08-23
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Granted: 1963-09-24
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Expires: 1980-08-23
Abstract
No abstract record available.
Inventors
- 👤 Gordon H A Hinder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:20
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/32; B60S1/38; B60S1/3848; B60S1/3874; B60S1/3882; B60S2001/3812; B60S2001/3817; B60S2001/3818; B60S2001/3827; B60S2001/3841
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A WINDSHIELD CLEANER FOR CLEANING A CURVED SURFACE AND COMPRISING A REPLACEABLE SQUEEGEE UNIT SUBSTANTIALLY FLEXIBLE THROUGHOUT ITS LENGTH AND CONFORMABLE TO A SURFACE BEING WIPED AND A PERMANENT RESILIENT BACKING MEMBER HAVING A CONCAVE FACE AND A WINDSHIELD WIPER ARM ATTACHING PART, SAID MEMBER BEING FORMED OF PLASTIC MATERIAL AND BEING OF A CURVATURE SUBSTANTIALLY EQUIVALENT TO THE MAXIMUM CURVATURE OF THE WINDSHIELD SURFACE TO BE WIPED AND CONTAINING A CHANNEL FOLLOWING THE CURVATURE OF THE BACKING MEMBER AND EXTENDING LENGTHWISE OF ITS CONCAVE FACE, SAID CHANNEL HAVING A PAIR OF OPPOSED SIDE WALLS, EACH SIDE WALL HAVING AN UNBROKEN FACE EXTENDING FROM END TO END OF THE MEMBER, THE SQUEEGEE UNIT BEING SLIDABLY INSERTABLE LENGTHWISE INTO THE CHANNEL BETWEEN ITS SIDE WALLS TO EXTEND ALONG THE ENTIRE LENGTH OF THE CHANNEL, AND WHEREIN THE CHANNEL IS OF GREATER DEPTH THAN THE DEPTH OF THE PORTION OF THE SQUEEGEE UNIT CONTAINED THEREIN, AND A PLURALITY OF FLEXIBLE INTEGRAL STRENGTHENING WEBS ARRANGED IN SPACED APART RELATION AND BRIDGING THE INNER PORTION OF THE CHANNEL INWARDLY OF THE SQUEEGEE UNIT.
Claim 2
Dependent Claim
179 words
A WINDSHIELD CLEANER FOR CLEANING A CURVED SURFACE AND COMPRISING A REPLACEABLE SQUEEGEE UNIT SUBSTANTIALLY FLEXIBLE THROUGHOUT ITS LENGTH AND CONFORMABLE TO A SURFACE BEING WIPED AND A PERMANENT RESILIENT BACKING MEMBER HAVING A CONCAVE FACE AND A WINDSHIELD WIPER ARM ATTACHING PART, SAID MEMBER BEING FORMED OF PLASTIC MATERIAL AND BEING OF A CURVATURE SUBSTANTIALLY EQUIVALENT TO THE MAXIMUM CURVATURE OF THE WINDSHIELD SURFACE TO BE WIPED AND CONTAINING A CHANNEL FOLLOWING THE CURVATURE OF THE BACKING MEMBER AND EXTENDING LENGTHWISE OF ITS CONCAVE FACE, SAID CHANNEL HAVING A PAIR OF OPPOSED SIDE WALLS, EACH SIDE WALL HAVING AN UNBROKEN FACE EXTENDING FROM END TO END OF THE MEMBER, THE SQUEEGEE UNIT BEING SLIDABLY INSERTABLE LENGTHWISE INTO THE CHANNEL BETWEEN ITS SIDE WALLS TO EXTEND ALONG THE ENTIRE LENGTH OF THE CHANNEL, AND WHEREIN THE CHANNEL IS OF GREATER DEPTH THAN THE DEPTH OF THE PORTION OF THE SQUEEGEE UNIT CONTAINED THEREIN, AND A PLURALITY OF FLEXIBLE INTEGRAL STRENGTHENING WEBS ARRANGED IN SPACED APART RELATION AND BRIDGING THE INNER PORTION OF THE CHANNEL INWARDLY OF THE SQUEEGEE UNIT.
References Cited (Backward Citations)
US2583710A
Cited
US2782449A
Cited
FR985180A
Cited
US2700785A
Cited
US2706305A
Cited
FR1124116A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |