US3141750A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treating air
Assignee: Carrier Corp
•
Filing: 1960-01-28
•
Granted: 1964-07-21
•
Expires: 1980-01-28
Abstract
No abstract record available.
Inventors
- 👤 Ernest C Hungate
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:23
CPC Classifications
F; F24; F24F; F24F6/00; F24F6/02; F24F6/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
IN AN ELIMINATOR FOR REMOVING DROPLETS OF WATER FROM AN AIR STREAM A ROTATABLY MOUNTED HUB, A PLURALITY OF BLADES EXTENDING THEREFROM, EACH OF SAID BLADES HAVING A FIRST PORTION EXTENDING SUBSTANTIALLY FROM THE AXIS OF ROTATION AND HAVING A DESIRED SURFACE AREA EXPOSED TO THE AIR STREAM AND A SECOND PORTION EXTENDING SUBSTANTIALLY FROM THE AXIS OF ROTATION AND HAVING A SURFACE AREA SUBSTANTIALLY SIMILAR TO THE SURFACE AREA OF THE FIRST PORTION EXPOSED TO THE AIR STREAM SAID PORTIONS BEING JOINED BY A CURVED SURFACE, SAID BLADES BEING CLOSELY SPACED AND ADJACENT BLADES OVERLAPPING ONE ANOTHER TO DEFINE A PLURALITY OF AXIAL PATHS, EACH PATH HAVING AT LEAST ONE CHANGE IN DIRECTION, AND ANNULAR MEANS ENGAGING AND AT LEAST PARTIALLY ENCLOSING THE PERIPHERY OF SAID BLADES.
Claim 2
Dependent Claim
128 words
IN AN ELIMINATOR FOR REMOVING DROPLETS OF WATER FROM AN AIR STREAM A ROTATABLY MOUNTED HUB, A PLURALITY OF BLADES EXTENDING THEREFROM, EACH OF SAID BLADES HAVING A FIRST PORTION EXTENDING SUBSTANTIALLY FROM THE AXIS OF ROTATION AND HAVING A DESIRED SURFACE AREA EXPOSED TO THE AIR STREAM AND A SECOND PORTION EXTENDING SUBSTANTIALLY FROM THE AXIS OF ROTATION AND HAVING A SURFACE AREA SUBSTANTIALLY SIMILAR TO THE SURFACE AREA OF THE FIRST PORTION EXPOSED TO THE AIR STREAM SAID PORTIONS BEING JOINED BY A CURVED SURFACE, SAID BLADES BEING CLOSELY SPACED AND ADJACENT BLADES OVERLAPPING ONE ANOTHER TO DEFINE A PLURALITY OF AXIAL PATHS, EACH PATH HAVING AT LEAST ONE CHANGE IN DIRECTION, AND ANNULAR MEANS ENGAGING AND AT LEAST PARTIALLY ENCLOSING THE PERIPHERY OF SAID BLADES.
References Cited (Backward Citations)
US297028A
Cited
DE329240C
Cited
DE377196C
Cited
US1215288A
Cited
US1527355A
Cited
US1511834A
Cited
US2804163A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |