Patent US3054288A successfully refreshed from Google Patents.
US3054288A
Expired / Lapsed
US
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Automatic data system for fan testing
Assignee: CLARAGE FAN CO
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Filing: 1959-06-15
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Granted: 1962-09-18
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Expires: 1979-06-15
Abstract
No abstract record available.
Inventors
- 👤 John H Bowman
- 👤 Wendell C Zeluff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:37
CPC Classifications
F; F04; F04D; F04D27/00; F04D27/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2550603A
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US2612776A
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US2722641A
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US2751786A
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US2815659A
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US2791905A
Cited
US2857760A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |