Patent US3156940A successfully refreshed from Google Patents.
US3156940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windshield wiper blade
Assignee: Individual
•
Filing: 1962-09-10
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Granted: 1964-11-17
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Expires: 1982-09-10
Abstract
No abstract record available.
Inventors
- 👤 John W Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:03
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/32; B60S1/38; B60S1/3801; B60S2001/3812; B60S2001/3817; B60S2001/382
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
62 words
A WINDSHIELD WIPER COMPRISING AN ELONGATE SQUEEGEE AND A FLEXOR THEREFOR, SAID SQUEEGEE HAVING SPACED-APART LONGITUDINALLY EXTENDING PARALLEL GROOVES ON OPPOSITE SIDES THEREFOR, SAID FLEXOR HAVING SPACED-APART GENERALLY PARALLEL PORTIONS SEATED IN SAID GROOVES, SAID FLEXOR BEING FORMED FROM PLANAR MATERIAL AND BEING FLEXIBLE IN A PLANE GENERALLY NORMAL THERETO AND BEING SUBSTANTIALLY INFLEXIBLE IN A PLANE NORMAL TO THE FIRST-MENTIONED PLANE,
References Cited (Backward Citations)
US2076993A
Cited
US2202301A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |