Patent US2540290A successfully refreshed from Google Patents.
US2540290A
Expired / Lapsed
US
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Windshield clearing system
Assignee: Trico Products Corp
•
Filing: 1948-04-24
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Granted: 1951-02-06
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Expires: 1968-04-24
Abstract
No abstract record available.
Inventors
- 👤 Rappl Anton
- 👤 Bitzer Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:31
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/46; B60S1/48; B60S1/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1072562A
Cited
US2153519A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-05 | 1954-08-07 | 1955-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-05 | 1958-08-07 | 1959-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-05 | 1962-08-07 | 1963-02-06 | $7700.00 | Window Closed / Lapsed |