Patent US2933344A successfully refreshed from Google Patents.
US2933344A
Expired / Lapsed
US
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Wind deflectors
Assignee: Individual
•
Filing: 1958-07-14
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Granted: 1960-04-19
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Expires: 1978-07-14
Abstract
No abstract record available.
Inventors
- 👤 Hugh W Shumaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:32
CPC Classifications
B; B60; B60J; B60J1/00; B60J1/20; B60J1/2002; B60J1/2008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1364053A
Cited
US1517365A
Cited
US1543877A
Cited
US1584275A
Cited
US1871396A
Cited
GB471342A
Cited
US2199883A
Cited
US2547528A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |