Patent US3229896A successfully refreshed from Google Patents.
US3229896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vaneaxial fan
Assignee: AMERICAN AGILE CO
•
Filing: 1963-11-05
•
Granted: 1966-01-18
•
Expires: 1983-11-05
Abstract
No abstract record available.
Inventors
- 👤 Marion I Levy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:22
CPC Classifications
F; F04; F04D; F04D25/00; F04D25/02; F04D25/08; F04D25/082; F04D29/00; F04D29/58; F04D29/5806
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
AN AIR MOVING DEVICE COMPRISING A CYLINDRICAL FAN HOUSING, A FAN MOUNTED IN SAID HOUSING, A MOTOR IN SAID HOUSING, A DIRECT DRIVE MEANS COUPLING SAID MOTOR TO SAID FAN, A SEALED CHAMBER SURROUDING SAID MOTOR, BAFFLE SEALING MEANS DIVIDING SAID CHAMBER INTO TWO COMPARTMENTS, SAID MOTOR HAVING A COOLING AIR INLET COMMUNICATING WITH ONE OF SAID COMPARTMENTS AND A COOLING AIR OUTLET COMMUNICATING WITH OTHER OF SAID COMPARTMENTS, MEANS FOR SUPPLYING COOLING AIR UNDER PRESSURE FROM OUTSIDE SAID FAN HOUSING TO SAID ONE COMPARTMENT, AND MEANS COUPLING SAID OTHER COMPARTMENT TO TEH EXTERIOR OF SAID FAN HOUSING.
Claim 2
Dependent Claim
98 words
AN AIR MOVING DEVICE COMPRISING A CYLINDRICAL FAN HOUSING, A FAN MOUNTED IN SAID HOUSING, A MOTOR IN SAID HOUSING, A DIRECT DRIVE MEANS COUPLING SAID MOTOR TO SAID FAN, A SEALED CHAMBER SURROUDING SAID MOTOR, BAFFLE SEALING MEANS DIVIDING SAID CHAMBER INTO TWO COMPARTMENTS, SAID MOTOR HAVING A COOLING AIR INLET COMMUNICATING WITH ONE OF SAID COMPARTMENTS AND A COOLING AIR OUTLET COMMUNICATING WITH OTHER OF SAID COMPARTMENTS, MEANS FOR SUPPLYING COOLING AIR UNDER PRESSURE FROM OUTSIDE SAID FAN HOUSING TO SAID ONE COMPARTMENT, AND MEANS COUPLING SAID OTHER COMPARTMENT TO TEH EXTERIOR OF SAID FAN HOUSING.
References Cited (Backward Citations)
US1932231A
Cited
US2397171A
Cited
US2726807A
Cited
DE1025557B
Cited
DE1038706B
Cited
US2793506A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |