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US2905562A
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Process for rendering masonry water-repellent
Assignee: General Electric Co
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Filing: 1957-07-29
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Granted: 1959-09-22
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Expires: 1977-07-29
Abstract
No abstract record available.
Inventors
- 👤 Donald V Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:28
CPC Classifications
C; C04; C04B; C04B24/00; C04B24/40; C04B24/42; C04B28/00; C04B28/24; C04B28/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
AN AQUEOUS SOLUTION FOR RENDERING MASONRY WATERREPELLENT CONSISTING ESSENTIALLY OF, BY WEIGHT, (A) WATER, (B) FROM 0.25 TO 10% OF AN ALKALI-METAL SALT OF A HYDROCARBON-SUBSTITUTED SILANETRIOL CALCULATED AS RSIO1.5, WHERE R IS A MONOVALENT HYDROCARBON RADICAL, AND (C) FROM 1.25 TO 30% OF AN ALKALI-METAL SILICATE, THE WEIGHTS OF (B) AND (C) BEING BASED ON THE TOTAL WEIGHT OF THE AQUEOUS SOLUTION.
Claim 2
Dependent Claim
63 words
AN AQUEOUS SOLUTION FOR RENDERING MASONRY WATERREPELLENT CONSISTING ESSENTIALLY OF, BY WEIGHT, (A) WATER, (B) FROM 0.25 TO 10% OF AN ALKALI-METAL SALT OF A HYDROCARBON-SUBSTITUTED SILANETRIOL CALCULATED AS RSIO1.5, WHERE R IS A MONOVALENT HYDROCARBON RADICAL, AND (C) FROM 1.25 TO 30% OF AN ALKALI-METAL SILICATE, THE WEIGHTS OF (B) AND (C) BEING BASED ON THE TOTAL WEIGHT OF THE AQUEOUS SOLUTION.
References Cited (Backward Citations)
US1129320A
Cited
US2507200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |