US3606826A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expansion joint
Assignee: Acme Highway Products Corp
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Filing: 1969-07-01
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Granted: 1971-09-21
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Expires: 1989-07-01
Abstract
Abstract AN EXPANSION JOINT COMPRISING A PAIR OF SPACED-APART STRUCTURAL MEANS SUPPORTING AT LEAST ONE RESILIENT SEALING MEMBER THEREBETWEEN. IN ONE FORM THE SEALING MEMBER HAS LATERALLY EXTENDING PROJECTIONS FORMING LOCKING LUGS AT THE UPPER TRANSVERSE CORNERS THEREOF RECEIVED WITHIN SLOTS FORMED IN REMOVABLE CLAMPING MEANS TO HOLD THE SIDE WALLS OF THE SEALING MEMBER AGAINST OPPOSED FACES OF THE STRUCTURAL MEANS. IN A MODULAR ARRANGEMENT AN INTERMEDIATE STRUCTURAL MEMBER IS DISPOSED BETWEEN ADJACENT SEALING MEMBERS AND A WEAR TREAD MEMBER IS SECURED TO SUCH INTERMEDIATE MEMBER AD OVERLIES ADJACENT SEALING MEMBERS.
Inventors
- 👤 Thomas C Bowman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:24
CPC Classifications
E; E01; E01D; E01D19/00; E01D19/06; E01C; E01C11/00; E01C11/02; E01C11/04; E01C11/12; E01C11/126; E01D19/062; E04; E04B; E04B1/00; E04B1/62; E04B1/66; E04B1/68; E04B1/6803; E04B1/6804
Claims Analysis
Total Claims: 0
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References 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) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |