US3753849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cementatious material and constructions made therefrom
Assignee: Individual
•
Filing: 1971-03-11
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Granted: 1973-08-21
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Expires: 1991-03-11
Abstract
Abstract A CEMENTATIOUS OF CONSTRUCTION COMPRISED OF AN ADMIXTURE OF HYDRAULIC CEMENT, AGRGREGATE, EPOXY RESIN, WATER REDUCING ADDITIVE, AND SUFFICIENT WATER TO HARDENED THE CEMENT, ALSO THE DISCLOSED REINFRCED BONDED LAYERS CONSTRUCTIONS FORMED OF ALTERNATE INTERGALLY BONDED LAYERS OF THE CEMENTATIOUS MATERIAL AND FIBER-REINFORCED EPOXY RESIN, AND A METHOD FOR MANUFFACTURING LAMINATED CONCRETE AND FIBER-REINFORCED EPOXY RESIN CONSTRUCTTIONS. THE CONSTRUCTIONS CAN HAVE A RESINOUS SURFACE COATING INTEGRALLY BONDED THERETO TO ENHANCE THE APPEARANCE AND SERVICEABILITY OF THE CONSTRUCTION.
Inventors
- 👤 R Duff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:43
CPC Classifications
B; B63; B63B; B63B5/00; B63B5/14; C; C04; C04B; C04B28/00; C04B28/02; E; E04; E04C; E04C2/00; E04C2/02; E04C2/26; Y; Y10; Y10S; Y10S52/00; Y10S52/07; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31515
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) | 1976-08-20 | 1977-02-19 | 1977-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-20 | 1981-02-19 | 1981-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-20 | 1985-02-19 | 1985-08-21 | $7700.00 | Window Closed / Lapsed |