US2857611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windshield cleaner
Assignee: Trico Products Corp
•
Filing: 1956-04-30
•
Granted: 1958-10-28
•
Expires: 1976-04-30
Abstract
No abstract record available.
Inventors
- 👤 John R Oishei
- 👤 Bitzer Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:19
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/06; B60S1/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1458355A
Cited
US2011029A
Cited
US2404747A
Cited
US2572750A
Cited
US2593626A
Cited
US2752894A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |