US2527766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making fly ash containing building blocks
Assignee: Individual
•
Filing: 1947-08-01
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Granted: 1950-10-31
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Expires: 1967-08-01
Abstract
No abstract record available.
Inventors
- 👤 Rule Tom Edgar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:41
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/02; C04B28/04; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/91; Y10; Y10S; Y10S106/00; Y10S106/01; Y10S106/02; Y10S264/00; Y10S264/49
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A PROCESS OF MANUAFACTURE OF BLOCKS FOR BUILDING AND LIKE PURPOSES CONSISTING IN TAKING FLY-ASH IN A DRY CONDITION, THAT IS, NOT CONTAINING MORE THAN A FEW PER CENT OF WATER SUFFICIENT TO REDUCE DUSTING LOSSES WHEN MIXING BUT INSUFFICIENT TO MAKE IT COHERE, MIXING IT WITH PORTLAND CEMENT AND FINELY PUDDLED CLAY AND DAMPING WITH WATER, THE QUANTITY OF PORTLAND CEMENT BEING BETWEEN 5% AND 20%, OF CLAY 0.5% AND THE QUANTITY OF WATER BEING BETWEN ABOUT 20% AND 30% OF THE TOTAL WEIGHT OF THE MIXTURE, SO AS TO PRODUCE A DAMP POWDER, PRESSING INTO BLOCKS AND AGEING THE BLOCKS TO HARDEN, THEM.
Claim 2
Dependent Claim
105 words
A PROCESS OF MANUAFACTURE OF BLOCKS FOR BUILDING AND LIKE PURPOSES CONSISTING IN TAKING FLY-ASH IN A DRY CONDITION, THAT IS, NOT CONTAINING MORE THAN A FEW PER CENT OF WATER SUFFICIENT TO REDUCE DUSTING LOSSES WHEN MIXING BUT INSUFFICIENT TO MAKE IT COHERE, MIXING IT WITH PORTLAND CEMENT AND FINELY PUDDLED CLAY AND DAMPING WITH WATER, THE QUANTITY OF PORTLAND CEMENT BEING BETWEEN 5% AND 20%, OF CLAY 0.5% AND THE QUANTITY OF WATER BEING BETWEN ABOUT 20% AND 30% OF THE TOTAL WEIGHT OF THE MIXTURE, SO AS TO PRODUCE A DAMP POWDER, PRESSING INTO BLOCKS AND AGEING THE BLOCKS TO HARDEN, THEM.
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) | 1953-10-30 | 1954-05-01 | 1954-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-30 | 1958-05-01 | 1958-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-30 | 1962-05-01 | 1962-10-31 | $7700.00 | Window Closed / Lapsed |