US2367426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windshield protector and cleaner for airplanes
Assignee: PATTERSON IND Inc
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Filing: 1941-08-29
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Granted: 1945-01-16
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Expires: 1961-08-29
Abstract
No abstract record available.
Inventors
- 👤 William N Patterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:57
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/46; B60S1/48; B60S1/52; B60S1/522; B60S1/54; B60S1/544
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-01-16 | 1948-07-17 | 1949-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-01-16 | 1952-07-17 | 1953-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-01-16 | 1956-07-17 | 1957-01-16 | $7700.00 | Window Closed / Lapsed |