US2794752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impregnation of light-weight concrete with silicate and thermoplastic resins
Assignee: Internationella Siporex AB
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Filing: 1953-11-19
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Granted: 1957-06-04
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Expires: 1973-11-19
Abstract
No abstract record available.
Inventors
- 👤 Schmidt Bertil John Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:13
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/50; C04B41/5076; C04B41/5089; C04B41/52; C04B41/60; C04B41/61; C04B41/65; C04B41/68; C04B41/70; Y; Y10; Y10S; Y10S52/00; Y10S52/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
IN THE MANUFACTURING OF MOLDED BODIES OF STEAM-CURED LIGHTWEIGHT CONCRETE FROM MINERAL BINDERS HAVING A HIGH CONTENT OF LIME, SILICEOUS MATERIALS CAPABLE OF REACTING WITH THE LIME IN THE STEAM-CURING OPERATION WITH FORMATION OF CALCIUM SILICATES, WATER AND EXPANDING AGENTS PRODUCING A HIGH DEGREE OF POROSITY IN THE CONCRETE, THE PROCESS OF IMPREGNATING THE CONCRETE BODIES TO INCREASE THEIR TENSILE STRENGTH, WHICH COMPRISES SUNJECTING THE CONCRETE BODIES TO AN IMPREGNATION WITH BOTH A WATER-SOLUBLE SILICATE AND A THERMOPLASTIC RESIN.
Claim 2
Dependent Claim
79 words
IN THE MANUFACTURING OF MOLDED BODIES OF STEAM-CURED LIGHTWEIGHT CONCRETE FROM MINERAL BINDERS HAVING A HIGH CONTENT OF LIME, SILICEOUS MATERIALS CAPABLE OF REACTING WITH THE LIME IN THE STEAM-CURING OPERATION WITH FORMATION OF CALCIUM SILICATES, WATER AND EXPANDING AGENTS PRODUCING A HIGH DEGREE OF POROSITY IN THE CONCRETE, THE PROCESS OF IMPREGNATING THE CONCRETE BODIES TO INCREASE THEIR TENSILE STRENGTH, WHICH COMPRISES SUNJECTING THE CONCRETE BODIES TO AN IMPREGNATION WITH BOTH A WATER-SOLUBLE SILICATE AND A THERMOPLASTIC RESIN.
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) | 1960-06-03 | 1960-12-03 | 1961-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-03 | 1964-12-03 | 1965-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-03 | 1968-12-03 | 1969-06-04 | $7700.00 | Window Closed / Lapsed |