US3290826A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Clearbim Ltd
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Filing: 1964-06-30
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Granted: 1966-12-13
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Expires: 1984-06-30
Abstract
No abstract record available.
Inventors
- 👤 Weimar Erich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:53
CPC Classifications
B; B60; B60J; B60J10/00; B60J10/70; B60J10/74; B60J10/15; B60J10/17; B60J10/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
A CHANNEL SECTION WINDOW GUIDE COMPRISING AN ELONGATED RESILIENT MEMBER HAVING AN INTERNAL CORE EMBEDDED THEREIN, SAID GUIDE BEING SUBSTANTIALLY U-SHAPED IN CROSS SECTION HAVING A BASE AND A PAIR OF LEGS, SAID CORE COMPRISING A PLURALITY OF SPACED PARALLEL STRIPS OF FLEXIBLE SHEET METAL EXTENDING TRANSVERSELY OF THE LENGTH OF THE GUIDE MEMBER, EACH OF SAID STRIPS BEING SUBSTANTIALLY U-SHAPED IN CROSS SECTION HAVING A BASE AND A PAIR OF LEGS, THE END OF WHICH ARE SPACED FROM THE ENDS OF SAID GUIDE MEMBER, A PLURALITY OF RELATIVELY NARROW CONNECTOR RIBS JOINING THE ADJACENT TRANSVERSE STRIPS, AND EXTENDING LONGITUDINALLY OF THE GUIDE MEMBER, SAID RESILIENT MEMBER BEING INTERNALLY THICKENED ON EACH SIDE OF THE LEGS OF THE CORE AT THE ENDS THEREOF AND BEING INTERNALLY THICKENED ON THE INNER SIDE OF THE BASE OF THE CORE, THE INNER SURFACE OF THE THICKENED PORTIONS BEING SUBSTANTIALLY FLAT, SAID CONNECTOR PORTIONS BEING LOCATED AT THE THINNER REGIONS OF THE RESILIENT MEMBER ON EACH SIDE OF THE BASE THEREOF, EACH OF SAID FLAT SURFACES HAVING A FLEXIBLE COATING TO PERMIT FREE SLIDING MOVEMENT OF THE WINDOW.
Claim 2
Dependent Claim
184 words
A CHANNEL SECTION WINDOW GUIDE COMPRISING AN ELONGATED RESILIENT MEMBER HAVING AN INTERNAL CORE EMBEDDED THEREIN, SAID GUIDE BEING SUBSTANTIALLY U-SHAPED IN CROSS SECTION HAVING A BASE AND A PAIR OF LEGS, SAID CORE COMPRISING A PLURALITY OF SPACED PARALLEL STRIPS OF FLEXIBLE SHEET METAL EXTENDING TRANSVERSELY OF THE LENGTH OF THE GUIDE MEMBER, EACH OF SAID STRIPS BEING SUBSTANTIALLY U-SHAPED IN CROSS SECTION HAVING A BASE AND A PAIR OF LEGS, THE END OF WHICH ARE SPACED FROM THE ENDS OF SAID GUIDE MEMBER, A PLURALITY OF RELATIVELY NARROW CONNECTOR RIBS JOINING THE ADJACENT TRANSVERSE STRIPS, AND EXTENDING LONGITUDINALLY OF THE GUIDE MEMBER, SAID RESILIENT MEMBER BEING INTERNALLY THICKENED ON EACH SIDE OF THE LEGS OF THE CORE AT THE ENDS THEREOF AND BEING INTERNALLY THICKENED ON THE INNER SIDE OF THE BASE OF THE CORE, THE INNER SURFACE OF THE THICKENED PORTIONS BEING SUBSTANTIALLY FLAT, SAID CONNECTOR PORTIONS BEING LOCATED AT THE THINNER REGIONS OF THE RESILIENT MEMBER ON EACH SIDE OF THE BASE THEREOF, EACH OF SAID FLAT SURFACES HAVING A FLEXIBLE COATING TO PERMIT FREE SLIDING MOVEMENT OF THE WINDOW.
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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |