Patent US3335943A successfully refreshed from Google Patents.
US3335943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal blowers for agricultural sprayers
Assignee: Individual
•
Filing: 1966-02-07
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Granted: 1967-08-15
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Expires: 1986-02-07
Abstract
No abstract record available.
Inventors
- 👤 Sandy S Sorrenti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:04
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/70; F04D29/701; F04D29/705; A; A01; A01M; A01M7/00; A01M7/0003; A01M7/0014
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A CENTRIFUGAL BLOWER FOR AN AGRICULTURAL SPRAYER COMPRISING, AN IMPELLER HOUSING PROVIDING AN IMPELLER CHAMBER AND AN IMPELLER MOUNTED FOR ROTATION THEREIN AND FORMED WITH IMPELLER BLADES FOR CENTRIGUAL DISPLACEMENT OF AIR THEREFROM, SAID HOUSING BEING FORMED WITH CIRCUMFERENTIALLY SPACED OPEN AND CLOSED PERIPHERAL PORTIONS PROVIDING A PERIPHERALLY CONTROLLED AIR DISCHARGE FROM SAID OPEN PORTION, AND AIR CONDUIT MEANS CONNECTED TO SAID HOUSING AND HAVING AN AIR INLET PORT AT SAID CLOSED PERIPHERAL PORTION AND AN AIR DISCHARGE PORT AT A PORTION OF SAID CHAMBER INTERNALLY OF THE PERIPHERY OF SAID BLADES AND CIRCUMFERENTIALLY RELATED TO SAID OPEN BLADES AND CIRCUMFERENTIALLY RELATED TO SAID OPEN PORTION WHEREBY ENTRAPPED AIR WILL BE FED FROM SAID CLOSED PORTION TO SAID BLADES TO PROVIDE A SECOND STAGE CENTRIFUGAL ACCELERATION THEREOF FROM SAID OPEN PORTION.
Claim 2
Dependent Claim
131 words
A CENTRIFUGAL BLOWER FOR AN AGRICULTURAL SPRAYER COMPRISING, AN IMPELLER HOUSING PROVIDING AN IMPELLER CHAMBER AND AN IMPELLER MOUNTED FOR ROTATION THEREIN AND FORMED WITH IMPELLER BLADES FOR CENTRIGUAL DISPLACEMENT OF AIR THEREFROM, SAID HOUSING BEING FORMED WITH CIRCUMFERENTIALLY SPACED OPEN AND CLOSED PERIPHERAL PORTIONS PROVIDING A PERIPHERALLY CONTROLLED AIR DISCHARGE FROM SAID OPEN PORTION, AND AIR CONDUIT MEANS CONNECTED TO SAID HOUSING AND HAVING AN AIR INLET PORT AT SAID CLOSED PERIPHERAL PORTION AND AN AIR DISCHARGE PORT AT A PORTION OF SAID CHAMBER INTERNALLY OF THE PERIPHERY OF SAID BLADES AND CIRCUMFERENTIALLY RELATED TO SAID OPEN BLADES AND CIRCUMFERENTIALLY RELATED TO SAID OPEN PORTION WHEREBY ENTRAPPED AIR WILL BE FED FROM SAID CLOSED PORTION TO SAID BLADES TO PROVIDE A SECOND STAGE CENTRIFUGAL ACCELERATION THEREOF FROM SAID OPEN PORTION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |