US3270805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air moving devices and air conditioners
Assignee: Individual
•
Filing: 1964-12-11
•
Granted: 1966-09-06
•
Expires: 1984-12-11
Abstract
No abstract record available.
Inventors
- 👤 Ernst A Glucksman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:29
CPC Classifications
F; F04; F04D; F04D33/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A HEAT EXCHANGE APPARATUS INCLUDING ENDLESS BELT MEANS SUPPORTING BLADES HAVING A FIXED INCLINATION RELATIVE TO THE STRAIGHT PORTIONS OF SAID BELT MEANS, MOTOR MEANS FOR OPERATING SAID BELT MEANS, DUCT MEANS HAVING AN UPSTREAM ENTRANCE AND A DOWNSTREAM EXHAUST AND FORMING A SUBSTANTIALLY STRAIGHT PASSAGEWAY BETWEEN SAID ENTRANCE AND SAID EXHAUST, SUBSTANTIALLY AT RIGHT ANGLES TO BOTH SAID STRAIGHT PORTIONS OF SAID BELT MEANS, FIXED AIR GUIDING VANES INSIDE SAID PASSAGEWAY TO CAUSE SAID BLADES TO ESTABLISH AN AIR FLOW SUBSTANTIALLY TRANSVERSELY THROUGH
Claim 2
Dependent Claim
84 words
A HEAT EXCHANGE APPARATUS INCLUDING ENDLESS BELT MEANS SUPPORTING BLADES HAVING A FIXED INCLINATION RELATIVE TO THE STRAIGHT PORTIONS OF SAID BELT MEANS, MOTOR MEANS FOR OPERATING SAID BELT MEANS, DUCT MEANS HAVING AN UPSTREAM ENTRANCE AND A DOWNSTREAM EXHAUST AND FORMING A SUBSTANTIALLY STRAIGHT PASSAGEWAY BETWEEN SAID ENTRANCE AND SAID EXHAUST, SUBSTANTIALLY AT RIGHT ANGLES TO BOTH SAID STRAIGHT PORTIONS OF SAID BELT MEANS, FIXED AIR GUIDING VANES INSIDE SAID PASSAGEWAY TO CAUSE SAID BLADES TO ESTABLISH AN AIR FLOW SUBSTANTIALLY TRANSVERSELY THROUGH
References Cited (Backward Citations)
US2548615A
Cited
US2553001A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |