Patent US3008630A successfully refreshed from Google Patents.
US3008630A
Expired / Lapsed
US
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Blower wheel and blade strip therefor and method of making blade strip
Assignee: Madison Management Group Inc
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Filing: 1957-04-01
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Granted: 1961-11-14
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Expires: 1977-04-01
Abstract
No abstract record available.
Inventors
- 👤 Robert S Storrs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:08
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/26; B21D53/267; 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; Y10T428/00; Y10T428/12; Y10T428/12201; Y10T428/12208; Y10T428/12229; Y10T428/12236; Y10T428/12243; Y10T428/12264; Y10T428/12271; Y10T428/12354
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1628066A
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US2258050A
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US2409966A
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US2315407A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-13 | 1965-05-15 | 1965-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-13 | 1969-05-15 | 1969-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-13 | 1973-05-15 | 1973-11-14 | $7700.00 | Window Closed / Lapsed |