Patent US3105749A successfully refreshed from Google Patents.
US3105749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air purifying means and method
Assignee: Carrier Corp
•
Filing: 1959-03-30
•
Granted: 1963-10-01
•
Expires: 1979-03-30
Abstract
No abstract record available.
Inventors
- 👤 Gregory G Gebert
- 👤 John R Schreiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:39
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/12; F24F3/16; A; A61; A61L; A61L9/00; A61L9/015; A61L9/04; A61L9/12; A61L9/122; Y; Y10; Y10S; Y10S55/00; Y10S55/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A METHOD OF PURIFYING AIR, SAID METHOD COMPRISING THE STEPS OF DIRECTING THE AIR TO BE PURIFIED THROUGH A SCREEN; COLLECTING A PURIFYING MEDIUM ABOVE THE SCREEN; DISTRIBUTING THE PURIFYING MEDIUM OVER THE SCREEN; BYPASSING A PORTION OF THE DISTRIBUTED MEDIUM AWAY FROM THE SCREEN; DIRECTING AN AIR STREAM INTO AN INTERIOR PORTION OF THE BYPASSED MEDIUM WHILE APPLYING HEAT THERETO TO REGENERATE SAME; DIRECTING AN AIR STREAM OVER THE REGENERATED MEDIUM TO PASS OFF ANY IMPURITIES RELEASED THEREFROM; AND RETURING THE REGENERATED MEDIUM TO THE COLLECTED MEDIUM ABOVE THE SCREEN.
Claim 2
Independent Claim
91 words
A METHOD OF PURIFYING AIR, SAID METHOD COMPRISING THE STEPS OF DIRECTING THE AIR TO BE PURIFIED THROUGH A SCREEN; COLLECTING A PURIFYING MEDIUM ABOVE THE SCREEN; DISTRIBUTING THE PURIFYING MEDIUM OVER THE SCREEN; BYPASSING A PORTION OF THE DISTRIBUTED MEDIUM AWAY FROM THE SCREEN; DIRECTING AN AIR STREAM INTO AN INTERIOR PORTION OF THE BYPASSED MEDIUM WHILE APPLYING HEAT THERETO TO REGENERATE SAME; DIRECTING AN AIR STREAM OVER THE REGENERATED MEDIUM TO PASS OFF ANY IMPURITIES RELEASED THEREFROM; AND RETURING THE REGENERATED MEDIUM TO THE COLLECTED MEDIUM ABOVE THE SCREEN.
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) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |