US3366032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Damper apparatus including inflatable sealing member
Assignee: Honeywell Inc
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Filing: 1966-10-24
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Granted: 1968-01-30
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Expires: 1986-10-24
Abstract
No abstract record available.
Inventors
- 👤 Alamprese Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:40
CPC Classifications
F; F24; F24F; F24F11/00; F24F11/70; F24F11/72; F24F11/74; F24F13/00; F24F13/08; F24F13/10; F24F13/14; F24F13/1406; F24F13/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
186 words
IN A DAMPER ASSEMBLY OF THE TYPE HAVING A FRAME WITH AN AIR FLOW PASSAGE THERETHROUGH, A PAIR OF COOPERATING MEMBERS IN THE FRAME EACH HAVING A SURFACE AND A LONGITUDINAL EDGE PORTION, THE MEMBERS BEING DISPOSED IN A GENERALLY PARALLEL RELATIONSHIP AND WITH THE LONGITUDINAL EDGE PORTIONS IN OVERLAPPING ABUTTING RELATIONSHIP TO DEFINE A CLOSED POSITION OF THE ASSEMBLY AND TO DEFINE AN UPSTREAM SIDE AND A DOWNSTREAM SIDE OF THE MEMBERS IN THE PASSAGE, AND AT LEAST ONE OF THE COOPERATING MEMBERS BEING A DAMPER BLADE ROTATABLE IN THE FRAME TO AN OPEN POSITION, THE IMPROVEMENT COMPRISING: AN ELONGATED, HOLLOW FLEXIBLE SEALING MEMBER CARRIED BY ONE OF SAID OVERLAPPING COOPERATING MEMBERS BEING THE LONGITUDINAL EDGE PORTION THEREOF, SAID SEALING MEMBER BEING SO CONSTRUCTED AND SO POSITIONED THAT A PORTION OF IT IS DISPOSED BETWEEN AND ENGAGED BY THE OVERLAPPING COOPERATING MEMBERS WHEN THE BLADE IS IN ITS CLOSED POSITION AND WITH A PORTION OF ITS SURFACE EXPOSED TO AIR UPSTREAM OF THE MEMBERS AND ANOTHER PORTION EXPOSED TO AIR DOWNSTREAM OF THE MEMBERS, SAID SEALING MEMBER AND SAID OVERLAPPING COOPERATING MEMBERS BEING SO CONSTRUCTED
Claim 2
Dependent Claim
186 words
IN A DAMPER ASSEMBLY OF THE TYPE HAVING A FRAME WITH AN AIR FLOW PASSAGE THERETHROUGH, A PAIR OF COOPERATING MEMBERS IN THE FRAME EACH HAVING A SURFACE AND A LONGITUDINAL EDGE PORTION, THE MEMBERS BEING DISPOSED IN A GENERALLY PARALLEL RELATIONSHIP AND WITH THE LONGITUDINAL EDGE PORTIONS IN OVERLAPPING ABUTTING RELATIONSHIP TO DEFINE A CLOSED POSITION OF THE ASSEMBLY AND TO DEFINE AN UPSTREAM SIDE AND A DOWNSTREAM SIDE OF THE MEMBERS IN THE PASSAGE, AND AT LEAST ONE OF THE COOPERATING MEMBERS BEING A DAMPER BLADE ROTATABLE IN THE FRAME TO AN OPEN POSITION, THE IMPROVEMENT COMPRISING: AN ELONGATED, HOLLOW FLEXIBLE SEALING MEMBER CARRIED BY ONE OF SAID OVERLAPPING COOPERATING MEMBERS BEING THE LONGITUDINAL EDGE PORTION THEREOF, SAID SEALING MEMBER BEING SO CONSTRUCTED AND SO POSITIONED THAT A PORTION OF IT IS DISPOSED BETWEEN AND ENGAGED BY THE OVERLAPPING COOPERATING MEMBERS WHEN THE BLADE IS IN ITS CLOSED POSITION AND WITH A PORTION OF ITS SURFACE EXPOSED TO AIR UPSTREAM OF THE MEMBERS AND ANOTHER PORTION EXPOSED TO AIR DOWNSTREAM OF THE MEMBERS, SAID SEALING MEMBER AND SAID OVERLAPPING COOPERATING MEMBERS BEING SO CONSTRUCTED
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) | 1971-01-29 | 1971-07-31 | 1972-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-29 | 1975-07-31 | 1976-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-29 | 1979-07-31 | 1980-01-30 | $7700.00 | Window Closed / Lapsed |