US3702741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotor for a blower structure
Assignee: Individual
•
Filing: 1971-04-12
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Granted: 1972-11-14
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Expires: 1991-04-12
Abstract
Abstract A BLOWER STRUCTURE IS DISCLOSED IN WHICH THE ROTOR THEREOF INCLUDES AN IMPELLER WITH A PULLEY MEANS DEMOUNTABLY ATTACHED TO THE PERIPHERY THEREOF.
Inventors
- 👤 Adam D Goettl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:41
CPC Classifications
F; F04; F04D; F04D25/00; F04D25/02; F04D29/00; F04D29/26; F04D29/28; F04D29/281; F04D29/282; F04D29/283; F16; F16H; F16H55/00; F16H55/32; F16H55/36; F16H55/44
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) | 1975-11-14 | 1976-05-15 | 1976-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-14 | 1980-05-15 | 1980-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-14 | 1984-05-15 | 1984-11-14 | $7700.00 | Window Closed / Lapsed |