Sealing member
Abstract
Abstract AN ELONGATED RESILIENT SEALING MEMBER COMPRISING SIDE WALLS, A BOTTOM WALL AND A SERIES OF ELONGATED TREAD MEMBERS CONSTITUTING A TOP WALL. THE INTERIOR OF THE SEAL IS PROVIDED WITH A PLURALITY OF INTERCONNECTED CROSS BARS FORMED INTEGRALLY WITH THE WALLS TO PROVIDE AN INTERNAL TRUSS STRUCTURE. SPACES ARE PROVIDED BETWEEN THE TREAD MEMBERS TO ALLOW MOVEMENT OF THE TREAD MEMBERS INTO SUCH SPACES DURING LATERAL COMPRESSION OF THE SIDE WALLS. IN A PREFERRED FORM THE SPACING BETWEEN ADJACENT TREAD MEMBERS APPROXIMATES OR EXCEEDS THE WIDTH OF THE TREAD MEMBERS, AND EACH INTERMEDIATE TREAD MEMBER IS CONNECTED TO A PAIR OF DOWNWARDLY DIVERGING CROSS BARS EACH HAVING A WIDTH APPROXIMATELY ONE-HALF THAT OF THE TREAD MEMBER.
Inventors
- 👤 William J Berchou
- 👤 Freel F Bryan
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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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) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |