Patent US2324894A successfully refreshed from Google Patents.
US2324894A
Expired / Lapsed
US
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Windshield wiper
Assignee: Stewart Warner Corp
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Filing: 1942-03-09
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Granted: 1943-07-20
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Expires: 1962-03-09
Abstract
No abstract record available.
Inventors
- 👤 John B Whitted
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:02
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/32; B60S1/34; B60S1/3402; B60S1/3404; B60S1/3425; B60S1/3431; B60S1/38; B60S2001/3812; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18264
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-07-19 | 1947-01-18 | 1947-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-07-19 | 1951-01-18 | 1951-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-07-19 | 1955-01-18 | 1955-07-20 | $7700.00 | Window Closed / Lapsed |