Patent US3421174A successfully refreshed from Google Patents.
US3421174A
Expired / Lapsed
US
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Windshield wiper system recessed in automobile air intake
Assignee: Motors Liquidation Co
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Filing: 1967-01-03
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Granted: 1969-01-14
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Expires: 1987-01-03
Abstract
No abstract record available.
Inventors
- 👤 Elmer E Reese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:23
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/0402; B60S1/0452; B60S1/0458; B60S1/0463
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2206822A
Cited
FR1138106A
Cited
US3016558A
Cited
US2936477A
Cited
US3120673A
Cited
US3213478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |