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Patent US3549974A successfully refreshed from Google Patents.
US3549974A
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US
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Variable delay windshield wiper system in motor vehicles
Assignee: Robert Bosch GmbH
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Filing: 1968-01-30
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Granted: 1970-12-22
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Expires: 1988-01-30
Abstract
No abstract record available.
Inventors
- 👤 Juergen Bruegge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:01
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/06; B60S1/08; B60S1/0803; B60S1/0807; B60S1/0896
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2557534A
Cited
US2721352A
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US3188623A
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US3234447A
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US3339123A
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US3407345A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |