Patent US2714485A successfully refreshed from Google Patents.
US2714485A
Expired / Lapsed
US
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Blower rotor construction
Assignee: Individual
•
Filing: 1951-06-28
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Granted: 1955-08-02
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Expires: 1971-06-28
Abstract
No abstract record available.
Inventors
- 👤 Adam D Goettl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:35
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/26; F04D29/28; F04D29/281; F04D29/282; F04D29/283; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49329
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1377300A
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US2325221A
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US2231062A
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US2195869A
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US2272695A
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US2293512A
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US2315407A
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US2431647A
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US2458041A
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US2470966A
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US2537805A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-01 | 1959-01-31 | 1959-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-01 | 1963-01-31 | 1963-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-01 | 1967-01-31 | 1967-08-02 | $7700.00 | Window Closed / Lapsed |