US2666941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window cleaner
Assignee: Trico Products Corp
•
Filing: 1948-12-02
•
Granted: 1954-01-26
•
Expires: 1968-12-02
Abstract
No abstract record available.
Inventors
- 👤 John R Oishei
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:29
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/56; B60J; B60J10/00; B60J10/70; B60J10/74; B60J10/75
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1840201A
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US2160099A
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US2432799A
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US2425391A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |