Patent US3262637A successfully refreshed from Google Patents.
US3262637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Individual blade mountings in a blower wheel
Assignee: Vernco Corp
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Filing: 1964-11-04
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Granted: 1966-07-26
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Expires: 1984-11-04
Abstract
No abstract record available.
Inventors
- 👤 Lowell E Sprouse
- 👤 Vernon H Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:59
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/26; F04D29/28; F04D29/281; F04D29/282; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/4932; Y10T29/49321
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A BLOWER WHEEL COMPRISING A PAIR OF AXIALLY-SPACED, CONCENTRIC CIRCULAR MEMBERS, EACH FORMED TO PROVIDE AN OUTER REGION DISPOSED IN A TRANSAXIAL PLANE AND AN INNER REGION DISPOSED IN A TRANSAXIAL PLANE OFFSET TOWARD THE OTHER CIRCULAR MEMBER, EACH CIRCULAR MEMBER FURTHER BEING FORMED WITH A SERIES OF CORRESPONDINGLY PERIPHERALLY SPACED SLOTS TRAVERSING ITS OUTER REGION, AND A SERIES OF BLADES, EACH BLADE BEING FORMED AT EACH END WITH A TAB, SAID TABS BEING RECEIVED RESPECTIVELY IN CORRESPONDING SLOTS IN SAID RESPECTIVE CIRCULAR MEMBERS AND BEARING AGAINST THE REMOTE SURFACES OF THE OUTER REGIONS OF SAID
Claim 2
Dependent Claim
96 words
A BLOWER WHEEL COMPRISING A PAIR OF AXIALLY-SPACED, CONCENTRIC CIRCULAR MEMBERS, EACH FORMED TO PROVIDE AN OUTER REGION DISPOSED IN A TRANSAXIAL PLANE AND AN INNER REGION DISPOSED IN A TRANSAXIAL PLANE OFFSET TOWARD THE OTHER CIRCULAR MEMBER, EACH CIRCULAR MEMBER FURTHER BEING FORMED WITH A SERIES OF CORRESPONDINGLY PERIPHERALLY SPACED SLOTS TRAVERSING ITS OUTER REGION, AND A SERIES OF BLADES, EACH BLADE BEING FORMED AT EACH END WITH A TAB, SAID TABS BEING RECEIVED RESPECTIVELY IN CORRESPONDING SLOTS IN SAID RESPECTIVE CIRCULAR MEMBERS AND BEARING AGAINST THE REMOTE SURFACES OF THE OUTER REGIONS OF SAID
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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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |