Patent EP0622928A1 successfully refreshed from Google Patents.
US2889980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air circulator
Assignee: Individual
•
Filing: 1956-10-17
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Granted: 1959-06-09
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Expires: 1976-10-17
Abstract
No abstract record available.
Inventors
- 👤 Philip L Haims
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:44
CPC Classifications
F; F24; F24F; F24F7/00; F24F7/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1321378A
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US1005572A
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US1177989A
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US1238683A
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US1243238A
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US1371936A
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US1501201A
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US1644565A
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US1860068A
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US1784072A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |