US2959489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature portland cement mortars
Assignee: Tile Council of America Inc
•
Filing: 1957-11-12
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Granted: 1960-11-08
•
Expires: 1977-11-12
Abstract
No abstract record available.
Inventors
- 👤 Herman B Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:11
CPC Classifications
C; C04; C04B; C04B22/00; C04B22/08; C04B22/14; C04B28/00; C04B28/02; C04B28/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
A DRY MORTAR COMPOSITION CONSISTING ESSENTIALLY OF METHYL CELLULOSE, A COMPOUND SELECTED FROM THE GROUP CONSISTING OF UREA AND AN INORGANIC THIOCYANATE AND A MAJOR PORTION OF PORTLAND CEMENT.
Claim 2
Dependent Claim
29 words
A DRY MORTAR COMPOSITION CONSISTING ESSENTIALLY OF METHYL CELLULOSE, A COMPOUND SELECTED FROM THE GROUP CONSISTING OF UREA AND AN INORGANIC THIOCYANATE AND A MAJOR PORTION OF PORTLAND CEMENT.
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) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |