Patent US3073381A successfully refreshed from Google Patents.
US3073381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing mechanism for partition panels and the like
Assignee: Richards Wilcox Manufacturing Co
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Filing: 1960-02-23
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Granted: 1963-01-15
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Expires: 1980-02-23
Abstract
No abstract record available.
Inventors
- 👤 Albert J Burmeister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:19
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/16; E06B7/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
212 words
IN COMBINATION, A PANEL, MEANS FOR SUSPENDING SAID PANEL SO THAT ITS LOWER EDGE IS SPACED OVER A FLOOR SURFACE, A FLOOR SEALING MEMBER MOUNTED ON SAID PANEL FOR VERTICAL MOVEMENT INTO AND OUT OF ENGAGEMENT WITH THE FLOOR SURFACE OVER WHICH THE PANEL IS SUSPENDED, A PAIR OF HORIZONTALLY SPACED SLIDE PORTIONS EACH CONFINED FOR VERTICAL MOVEMENT IN A DIRECTION TOWARD AND AWAY FROM SAID FLOOR SEALING MEMBER, COMPRESSIBLE SPRING MEANS BETWEEN EACH SAID SLIDE PORTION AND FLOOR SEALING MEMBER THROUGH WHICH THE MOTION OF THE SLIDE PORTION IS TRANSLATED INTO A FORCE EXERTED ON THE FLOOR SEALING MEMBER, CRANK MEANS SUPPORTED INTERMEDIATE SAID SLIDE PORTIONS FOR TURNING ABOUT AN AXIS DISPOSED TRANSVERSELY OF THE PANEL AND OPERABLE FROM EITHER SIDE OF SAID PANEL, LINKAGE MEANS ON EITHER SIDE OF SAID CRANK MEANS INCLUDING A FIRST LINK PIVOTALLY CONNECTED TO A RESPECTIVE ONE OF SAID SLIDE PORTIONS, A SECOND LINK PIVOTALLY CONNECTED TO SAID FIRST LINK AND TO A FIXED AXIS DISPOSED ABOVE SAID SLIDE PORTION, EACH SAID PIVOTAL CONNECTIONS BEING DISPOSED ABOUT SPACED AXES PARALLEL TO SAID FIXED AXIS AND THE AXIS ABOUT WHICH THE CRANK MEANS IS TURNABLE, AND A CONNECTOR JOINED TO SAID TWO LINKS ADJACENT THEIR PIVOTAL CONNECTION AND TO THE CRANK MEANS IN OFFSET RELATION TO
Claim 2
Dependent Claim
212 words
IN COMBINATION, A PANEL, MEANS FOR SUSPENDING SAID PANEL SO THAT ITS LOWER EDGE IS SPACED OVER A FLOOR SURFACE, A FLOOR SEALING MEMBER MOUNTED ON SAID PANEL FOR VERTICAL MOVEMENT INTO AND OUT OF ENGAGEMENT WITH THE FLOOR SURFACE OVER WHICH THE PANEL IS SUSPENDED, A PAIR OF HORIZONTALLY SPACED SLIDE PORTIONS EACH CONFINED FOR VERTICAL MOVEMENT IN A DIRECTION TOWARD AND AWAY FROM SAID FLOOR SEALING MEMBER, COMPRESSIBLE SPRING MEANS BETWEEN EACH SAID SLIDE PORTION AND FLOOR SEALING MEMBER THROUGH WHICH THE MOTION OF THE SLIDE PORTION IS TRANSLATED INTO A FORCE EXERTED ON THE FLOOR SEALING MEMBER, CRANK MEANS SUPPORTED INTERMEDIATE SAID SLIDE PORTIONS FOR TURNING ABOUT AN AXIS DISPOSED TRANSVERSELY OF THE PANEL AND OPERABLE FROM EITHER SIDE OF SAID PANEL, LINKAGE MEANS ON EITHER SIDE OF SAID CRANK MEANS INCLUDING A FIRST LINK PIVOTALLY CONNECTED TO A RESPECTIVE ONE OF SAID SLIDE PORTIONS, A SECOND LINK PIVOTALLY CONNECTED TO SAID FIRST LINK AND TO A FIXED AXIS DISPOSED ABOVE SAID SLIDE PORTION, EACH SAID PIVOTAL CONNECTIONS BEING DISPOSED ABOUT SPACED AXES PARALLEL TO SAID FIXED AXIS AND THE AXIS ABOUT WHICH THE CRANK MEANS IS TURNABLE, AND A CONNECTOR JOINED TO SAID TWO LINKS ADJACENT THEIR PIVOTAL CONNECTION AND TO THE CRANK MEANS IN OFFSET RELATION TO
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |