Patent US3869291A successfully refreshed from Google Patents.
Patent US2493552A successfully refreshed from Google Patents.
US2493552A
Expired / Lapsed
US
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Windshield wiper mechanism
Assignee: Marquette Metal Products Co
•
Filing: 1945-06-11
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Granted: 1950-01-03
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Expires: 1965-06-11
Abstract
No abstract record available.
Inventors
- 👤 Columbus R Sacchini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:22
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/06; B60S1/16; B60S1/18; B60S1/24; B60S1/245; B60S1/32; B60S1/34; B60S1/3402; B60S1/3404; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18856
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1510509A
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US1641683A
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US1776747A
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US1776746A
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US1733910A
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US2045128A
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US2184700A
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US2252350A
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US2232480A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-02 | 1953-07-04 | 1954-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-02 | 1957-07-04 | 1958-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-02 | 1961-07-04 | 1962-01-03 | $7700.00 | Window Closed / Lapsed |