Patent US2864714A successfully refreshed from Google Patents.
US2864714A
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US
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Method of producing aerated cementitious material
Assignee: National Foam System Inc
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Filing: 1954-02-09
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Granted: 1958-12-16
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Expires: 1974-02-09
Abstract
No abstract record available.
Inventors
- 👤 Jr John S Dixon
- 👤 George B Geyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:01
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/02; B; B01; B01F; B01F25/00; B01F25/40; B01F25/45; B01F25/452; B01F25/4524; B01F25/45241; Y; Y10; Y10S; Y10S261/00; Y10S261/26; Y10S261/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
THE METHOD OF PRODUCING A CELLULAR CEMENTITIOUS STRUCTURE CONSISTING OF THE STEPS OF, PREPARING A SLURRY OF CEMENTITIOUS MATERIAL, CONTINUOUSLY GENERATING A STABLE AIR FOAM BY INTRODUCING PRESSURIZED AIR INTO A FOAM-FORMING SOLUTION AND FORCING THE MIXED AIR AND SOLUTION THROUGH AN APERTURED BARRIER, INTRODUCING SAID FOAM INTO SAID SLURRY AS SAID FOAM IS GENERATED, INTIMATELY MIXING SAID FOAM WITH SAID SLURRY AS SAID FOAM IS INTRODUCED TO PRODUCE A SUBSTANTIALLY UNIFORM DISPERSION OF SAID FOAM IN SAID SLURRY, INTRODUCING SAID MIXED FOAM AND SLURRY INTO A FORM OF DESIRED CONFIGURATION, AND ALLOWING SAID MIXTURE TO SET AND HARDEN.
Claim 2
Independent Claim
99 words
THE METHOD OF PRODUCING A CELLULAR CEMENTITIOUS STRUCTURE CONSISTING OF THE STEPS OF, PREPARING A SLURRY OF CEMENTITIOUS MATERIAL, CONTINUOUSLY GENERATING A STABLE AIR FOAM BY INTRODUCING PRESSURIZED AIR INTO A FOAM-FORMING SOLUTION AND FORCING THE MIXED AIR AND SOLUTION THROUGH AN APERTURED BARRIER, INTRODUCING SAID FOAM INTO SAID SLURRY AS SAID FOAM IS GENERATED, INTIMATELY MIXING SAID FOAM WITH SAID SLURRY AS SAID FOAM IS INTRODUCED TO PRODUCE A SUBSTANTIALLY UNIFORM DISPERSION OF SAID FOAM IN SAID SLURRY, INTRODUCING SAID MIXED FOAM AND SLURRY INTO A FORM OF DESIRED CONFIGURATION, AND ALLOWING SAID MIXTURE TO SET AND HARDEN.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |