Patent US2612141A successfully refreshed from Google Patents.
US2612141A
Expired / Lapsed
US
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Windshield wiper system
Assignee: Alco Valve Co
•
Filing: 1945-10-04
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Granted: 1952-09-30
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Expires: 1965-10-04
Abstract
No abstract record available.
Inventors
- 👤 Freedman Rudolph
- 👤 John E Dube
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:49
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/06; B60S1/12; B60S1/125; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87096; Y10T137/87121
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1806301A
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US1840233A
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US2045140A
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US2370376A
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US2344949A
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US2312686A
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US2348346A
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US2387006A
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US2352120A
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US2404747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |