US2976173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for applying a hydraulic cementitious material to a structural base and article produced thereby
Assignee: EIDP Inc
•
Filing: 1958-09-26
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Granted: 1961-03-21
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Expires: 1978-09-26
Abstract
No abstract record available.
Inventors
- 👤 Edward P Czerwin
- 👤 Richard S Seidel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:09
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/45; C04B41/52; B; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T428/00; Y10T428/27; Y10T428/273
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A LAMINATED STRUCTURE COMPRISING A BASE MATERIAL, A COATING THEREON CONSISTING ESSENTIALLY OF POLYVINLY ALCOHOL OF 96% TO 100% HYDROLYSIS, AND A HYDRAULIC CEMENTITIOUS MATERIAL OVERLYING AND ADHERING TO SAID COATING.
Claim 2
Dependent Claim
31 words
A LAMINATED STRUCTURE COMPRISING A BASE MATERIAL, A COATING THEREON CONSISTING ESSENTIALLY OF POLYVINLY ALCOHOL OF 96% TO 100% HYDROLYSIS, AND A HYDRAULIC CEMENTITIOUS MATERIAL OVERLYING AND ADHERING TO SAID COATING.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |