Patent US3306527A successfully refreshed from Google Patents.
US3306527A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal blower and mounting means therefor
Assignee: Loren Cook Co
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Filing: 1964-08-27
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Granted: 1967-02-28
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Expires: 1984-08-27
Abstract
No abstract record available.
Inventors
- 👤 Cook Loren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:13
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/60; F04D29/62; F04D29/624; F04D29/626
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
A SYSTEM INCLUDING A BLOWER HAVING AN AIR INLET MEANS AND A DISCHARGE OUTLET, MOUNTING MEANS FOR SAID BLOWER INCLUDING A PAIR OF RINGS, EACH HAVING UPPER AND LOWER SEPARABLE PARTS, MEANS FOR RELEASABLY SECURING THE PARTS OF EACH OF SAID RINGS TOGETHER, MEANS FOR SUPPORTING SAID RINGS, AND ANNULAR MEANS ASSOCIATED WITH EACH END OF SAID BLOWER WHICH MAY BE POSITIONED WITHIN THE LOWER PARTS OF SAID RINGS WHEN THE UPPER PARTS OF THE RINGS ARE REMOVED, SAID ANNULAR MEANS BEING HELD IN POSITION WHEN THE UPPER PARTS OF SAID RINGS ARE POSITIONED OVER SAID ANNULAR MEANS AND SAID SECURING MEANS IS SET TO HOLD THE ANNULAR MEANS WITHIN THE RINGS, SAID BLOWER BEING ROTATABLE WHEN THE UPPER RINGS OF THE MOUNTING MEANS ARE LOOSELY SECURED TO THE LOWER RINGS AND SAID SECURING MEANS BEING ADJUSTABLE TO A POSITION IN WHICH SAID RINGS ENGAGE SAID ANNULAR MEANS WITH SUFFICIENT FORCE TO PREVENT ROTATION OF SAID BLOWER RELATIVE TO SAID RINGS, THEREBY ENABLING ITS AIR DISCHARGE MEANS TO BE SET IN ANY DESIRED POSITION.
Claim 2
Independent Claim
174 words
A SYSTEM INCLUDING A BLOWER HAVING AN AIR INLET MEANS AND A DISCHARGE OUTLET, MOUNTING MEANS FOR SAID BLOWER INCLUDING A PAIR OF RINGS, EACH HAVING UPPER AND LOWER SEPARABLE PARTS, MEANS FOR RELEASABLY SECURING THE PARTS OF EACH OF SAID RINGS TOGETHER, MEANS FOR SUPPORTING SAID RINGS, AND ANNULAR MEANS ASSOCIATED WITH EACH END OF SAID BLOWER WHICH MAY BE POSITIONED WITHIN THE LOWER PARTS OF SAID RINGS WHEN THE UPPER PARTS OF THE RINGS ARE REMOVED, SAID ANNULAR MEANS BEING HELD IN POSITION WHEN THE UPPER PARTS OF SAID RINGS ARE POSITIONED OVER SAID ANNULAR MEANS AND SAID SECURING MEANS IS SET TO HOLD THE ANNULAR MEANS WITHIN THE RINGS, SAID BLOWER BEING ROTATABLE WHEN THE UPPER RINGS OF THE MOUNTING MEANS ARE LOOSELY SECURED TO THE LOWER RINGS AND SAID SECURING MEANS BEING ADJUSTABLE TO A POSITION IN WHICH SAID RINGS ENGAGE SAID ANNULAR MEANS WITH SUFFICIENT FORCE TO PREVENT ROTATION OF SAID BLOWER RELATIVE TO SAID RINGS, THEREBY ENABLING ITS AIR DISCHARGE MEANS TO BE SET IN ANY DESIRED POSITION.
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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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |