US3605586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prefabricated sealing system
Assignee: Acme Highway Products Corp
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Filing: 1968-10-29
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Granted: 1971-09-20
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Expires: 1988-10-29
Abstract
Abstract AN APPARATUS FOR PRESTRESSING A RESILIENTLY YIELDABLE SEAL ADHESIVELY BONDED TO OPPOSED FACES OF A PAIR OF ANGLE MEMBERS COMPRISING A PAIR OF SPACED APART CHANNEL MEMBERS DETACHABLY MOUNTED ON THE ANGLE MEMBERS. OPENINGS ARE PROVIDED IN LEG PORTIONS OF THE CHANNEL MEMBERS ARE RECEIVING A BOLT EXTENDING THERETHROUGH AND SPACED ABOVE THE ANGLE MEMBERS. A NUT IS SECURED TO ONE OF THE LEGS IN ALIGNMENT WITH THE OPENINGS FOR RECEIVING THE THREADED PORTION OF THE BOLT. ROTATION OF THE BOLT EFFECTS RELATIVE MOVEMENT BETWEEN THE ANGLE MEMBERS TO ADJUSTABLY PRESTRESS THE SEAL THEREBETWEEN.
Inventors
- 👤 Thomas C Bowman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:10
CPC Classifications
E; E01; E01C; E01C23/00; E01C23/02; E01C23/023; E04; E04B; E04B1/00; E04B1/62; E04B1/66; E04B1/68; E04B1/6803; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44966; Y10T24/44974
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |