US3787545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burial vaults
Assignee: Wilbert Inc
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Filing: 1968-10-25
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Granted: 1974-01-22
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Expires: 1988-10-25
Abstract
Abstract IN SITU THE CONCRETE COMPONENT AND THE ADHESIVE COATING ON EACH OF THE BOX-LIKE STRUCTURE AND COVER. A METHOD FOR MAKING A COMPOSITE BURIAL VAULT COMPRISING AN OPEN-TOPPED BOX LIKE STRUCTURE AND COVER THEREFORE WHEREIN PREFORMED LINERS FOR EACH OF THE BOX LIKE STRUCTURE AND CORE ARE EACH COATED WITH A WET, TACKY ADHESIVE SUCH AS EPOXY RESIN. WHILE THE EPOXY RESIN IS MAINTAINED IN A WET, TACKY STATE A DAMP CONCRETE MIX IS APPLIED DIRECTLY ON THE WET, TACKY ADHESIVE COATING WITH THE ADHESIVE COATING AND THE CONCRETE COMPONENT INTERMINGLED AT THEIR CONTACTING ADJACENT SURFACES AND CURING
Inventors
- 👤 B Juba
- 👤 W Chandler
- 👤 P Heuser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:48
CPC Classifications
B; B32; B32B; B32B13/00; B32B13/04; B32B13/12; E; E04; E04H; E04H13/00; B32B2305/00; B32B2305/08; B32B2439/00
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) | 1977-01-21 | 1977-07-23 | 1978-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-21 | 1981-07-23 | 1982-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-21 | 1985-07-23 | 1986-01-22 | $7700.00 | Window Closed / Lapsed |