Patent US3294480A successfully refreshed from Google Patents.
US3294480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for the prevention of the spread of infectious disease by airborne microorganisms
Assignee: Union Carbide Corp
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Filing: 1963-07-24
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Granted: 1966-12-27
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Expires: 1983-07-24
Abstract
No abstract record available.
Inventors
- 👤 Potapenko Gennady
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:00
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/12; F24F3/16; F24F8/00; F24F8/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A SYSTEM FOR PREVENTING THE SPREAD OF INFECTIOUS MICROGANISMS FROM A FIRST SUBSTANTIALLY ENCLOSED AREA TO A SECOND ADJACENT SUBSTANTIALLY ENCLOSED AREA, EACH OF WHICH IS ADAPTED FOR HUMAN HABITATION, SAID SYSTEM COMPRISING: FLUID STERILIZING MEANS: FLUID CONDUCTING MEANS INTERCONNECTING SAID FLUID STERILIZING MEANS AND SAID ENCLOSED AREAS: FLUID DISTRIBUTING MEANS WITHIN EACH OF SAID AREAS AND CONNECTED TO SAID FLUID CONDUCTING MEANS FOR RECEIVING FLUID FROM SAID FLUID STERILIZING MEANS AND DISTRIBUTING SAID FLUID WITHIN SAID AREAS; FLUID REMOVAL MEANS WITHIN EACH OF SAID AREAS FOR REMOVING FLUID THEREFROM; FLUID CIRCULATING MEANS CONNECTED FOR MOVING FLUID THROUGH SAID SYSTEM; AND CONTROL MEANS WITHIN EACH OF SAID AREAS FOR MAINTAINING A PRESSURE DIFFERENCE BETWEEN SAID AREAS, SAID CONTROL MEANS REGULATING THE PROPORTIONS OF FLUID RECEIVED BY AND REMOVED FROM EACH OF SAID AREAS IN RESPONSE TO VARIATIONS IN SAID PRESSURE DIFFERENCE BETWEEN SAID AREAS TO MAINTAIN SAID PRESSURE DIFFERENCE AT A PREDETEMINED VALUE.
Claim 2
Independent Claim
153 words
A SYSTEM FOR PREVENTING THE SPREAD OF INFECTIOUS MICROGANISMS FROM A FIRST SUBSTANTIALLY ENCLOSED AREA TO A SECOND ADJACENT SUBSTANTIALLY ENCLOSED AREA, EACH OF WHICH IS ADAPTED FOR HUMAN HABITATION, SAID SYSTEM COMPRISING: FLUID STERILIZING MEANS: FLUID CONDUCTING MEANS INTERCONNECTING SAID FLUID STERILIZING MEANS AND SAID ENCLOSED AREAS: FLUID DISTRIBUTING MEANS WITHIN EACH OF SAID AREAS AND CONNECTED TO SAID FLUID CONDUCTING MEANS FOR RECEIVING FLUID FROM SAID FLUID STERILIZING MEANS AND DISTRIBUTING SAID FLUID WITHIN SAID AREAS; FLUID REMOVAL MEANS WITHIN EACH OF SAID AREAS FOR REMOVING FLUID THEREFROM; FLUID CIRCULATING MEANS CONNECTED FOR MOVING FLUID THROUGH SAID SYSTEM; AND CONTROL MEANS WITHIN EACH OF SAID AREAS FOR MAINTAINING A PRESSURE DIFFERENCE BETWEEN SAID AREAS, SAID CONTROL MEANS REGULATING THE PROPORTIONS OF FLUID RECEIVED BY AND REMOVED FROM EACH OF SAID AREAS IN RESPONSE TO VARIATIONS IN SAID PRESSURE DIFFERENCE BETWEEN SAID AREAS TO MAINTAIN SAID PRESSURE DIFFERENCE AT A PREDETEMINED VALUE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |