US3458889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intermittent windshield wiper cleaning system
Assignee: Individual
•
Filing: 1966-04-08
•
Granted: 1969-08-05
•
Expires: 1986-04-08
Abstract
No abstract record available.
Inventors
- 👤 David Tann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:51
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/06; B60S1/08; B60S1/0803; B60S1/0807
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2343656A
Cited
US2987747A
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US3148399A
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US3219901A
Cited
US3333174A
Cited
US3168758A
Cited
US3335352A
Cited
US3351836A
Cited
US3364410A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |