Patent US2720790A successfully refreshed from Google Patents.
US2720790A
Expired / Lapsed
US
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Motion converter for electric windshield wipers
Assignee: Marquette Metal Products Co
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Filing: 1951-08-10
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Granted: 1955-10-18
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Expires: 1971-08-10
Abstract
No abstract record available.
Inventors
- 👤 Columbus R Sacchini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:28
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/06; B60S1/16; B60S1/18; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18272; Y10T74/18416; Y10T74/18464; Y10T74/1848
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US447386A
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US1471667A
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US1673838A
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US1735459A
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FR711700A
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US2303365A
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US2560000A
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US2538750A
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US2559208A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-17 | 1959-04-18 | 1959-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-17 | 1963-04-18 | 1963-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-17 | 1967-04-18 | 1967-10-18 | $7700.00 | Window Closed / Lapsed |