Patent US3199432A successfully refreshed from Google Patents.
US3199432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for supplying conditioned air at a predetermined over-pressure to a room from a corridor
Assignee: Individual
•
Filing: 1962-12-26
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Granted: 1965-08-10
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Expires: 1982-12-26
Abstract
No abstract record available.
Inventors
- 👤 Brandi Otto Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:21
CPC Classifications
F; F24; F24F; F24F7/00; F24F7/04; F24F7/06; F24F11/00; F24F11/30; F24F11/46; F24F11/70; F24F11/72; F24F11/74; F24F11/75; F24F13/00; F24F13/26; F24F3/00; F24F3/02; F24F3/044; F24F3/0442; F24F3/0444; F24F13/08; F24F13/10; F24F13/14; F24F2110/00; F24F2110/10; Y; Y02; Y02B; Y02B30/00; Y02B30/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
AN APPARATUS FOR SUPPLYING CONDITIONED AIR COMPRISING A ROOM, A CORRIDOR, MEANS FOR SUPPLYING CONDITIONED AIR AT A PREDETERMINED OVER-PRESSURE TO THE CORRIDOR, MEANS FOR SUPPLYING THE CONDITIONER AIR FROM THE CORRIDOR INTO THE ROOM, ADDITIONAL MEANS FOR SUPPLYING THE ROOM WITH A LIMITED AMOUNT OF CONTROL-CONDITIONED AIR AT A PRESSURE ABOVE THE CORRIDOR PRESSURE, AND MEANS FOR WITHDRAWING AIR FROM THE ROOM.
Claim 2
Independent Claim
63 words
AN APPARATUS FOR SUPPLYING CONDITIONED AIR COMPRISING A ROOM, A CORRIDOR, MEANS FOR SUPPLYING CONDITIONED AIR AT A PREDETERMINED OVER-PRESSURE TO THE CORRIDOR, MEANS FOR SUPPLYING THE CONDITIONER AIR FROM THE CORRIDOR INTO THE ROOM, ADDITIONAL MEANS FOR SUPPLYING THE ROOM WITH A LIMITED AMOUNT OF CONTROL-CONDITIONED AIR AT A PRESSURE ABOVE THE CORRIDOR PRESSURE, AND MEANS FOR WITHDRAWING AIR FROM THE ROOM.
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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |