Patent US3746603A successfully refreshed from Google Patents.
US3746603A
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US
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Slip joint construction
Assignee: BELL S ASBESTOS AND ENG Pty LT
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Filing: 1971-02-09
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Granted: 1973-07-17
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Expires: 1991-02-09
Abstract
Abstract A SLIP-JOINT ELEMENT FOR EMPLOYMENT IN A BUILDING OR SIMILAR STRUCTURE TO ACCOMMODATE DIFFERENTIAL EXPANSION OR MOVEMENT BETWEEN MEMBERS OF THE STRUCTURE. THE SLIPJOINT ELEMENT COMPRISES A LAMINATE STRUCTURE HAVING A WATER IMPERVIOUS, RESILIENT SUPPORT MATERIAL FACED WITH A MATERIAL HAVING A CO-EFFCIENT OF FRICTION WHICH DECREASES WITH INCREASING APPLIED LOAD. THE LAMINATE STRUCTURE IS ADAPTED TO BE EMPLOYED IN FACE-TO-FACE SLIDING RELATIONSHIP WITH ANOTHER SUCH LAMINATE STRUCTURE, OR IS FOLDABLE UPON ITSELF FOR FACE-TO-FACE CONTACT, BETWEEN RELATIVELY MOVEABLE LOAD AND LOAD SUPPORT MEMBERS.
Inventors
- 👤 A Hewett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:49
CPC Classifications
B; B32; B32B; B32B3/00; B32B3/10; B32B3/14; B32B3/16; E; E04; E04B; E04B1/00; E04B1/36; B32B25/00; B32B25/04; B32B25/08; B32B25/16; B32B27/00; B32B27/32; B32B27/322; B32B2327/00; B32B2327/12; B32B2327/18; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/2419; Y10T428/24215; Y10T428/31504; Y10T428/3154; Y10T428/31544
Claims Analysis
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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) | 1976-07-16 | 1977-01-15 | 1977-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-16 | 1981-01-15 | 1981-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-16 | 1985-01-15 | 1985-07-17 | $7700.00 | Window Closed / Lapsed |