US2711967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-repellant composition
Assignee: Individual
•
Filing: 1952-08-02
•
Granted: 1955-06-28
•
Expires: 1972-08-02
Abstract
No abstract record available.
Inventors
- 👤 Leandro W Tomarkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:06
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/45; C04B41/46; C04B41/49; C04B41/4905; C04B41/4922; C04B41/4927
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A WATER REPELLENT COMPOSITION CONSISTING OF AN AQUEOUS SOLUTION CONTAINING SODIUM METHYL SILICONATE AND A LESSER AMOUNT OF SODIUM TETRADECYL SURFACE AS A WETTING AGENT.
Claim 2
Dependent Claim
25 words
A WATER REPELLENT COMPOSITION CONSISTING OF AN AQUEOUS SOLUTION CONTAINING SODIUM METHYL SILICONATE AND A LESSER AMOUNT OF SODIUM TETRADECYL SURFACE AS A WETTING AGENT.
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) | 1958-06-27 | 1958-12-27 | 1959-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-27 | 1962-12-27 | 1963-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-27 | 1966-12-27 | 1967-06-28 | $7700.00 | Window Closed / Lapsed |