US3192291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of curing cementitious material by radio frequency energy
Assignee: Pratt and Whitney Co Inc
•
Filing: 1962-05-15
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Granted: 1965-06-29
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Expires: 1982-05-15
Abstract
No abstract record available.
Inventors
- 👤 D Onofrio Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:36
CPC Classifications
C; C04; C04B; C04B40/00; C04B40/02; C04B40/0204; C04B40/0213; C04B40/0209; Y; Y10; Y10S; Y10S264/00; Y10S264/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A METHOD FOR FACILITATING HYDRATION OF CALCARIOUS CEMENT WHICH CONSISTS OF A MIXTURE OF CEMENT, SAND AND WATER IN THE FORM OF A SLURRY OR A GREEN BLOCK, COMPRISING THE STEPS OF SUPPLYING WATER TO THE SURFACE OF THE AGGREGATE WHILE SUBJECTING THE AGGREGATE TO A HIGH FREQUENCY FIELD.
Claim 2
Independent Claim
49 words
A METHOD FOR FACILITATING HYDRATION OF CALCARIOUS CEMENT WHICH CONSISTS OF A MIXTURE OF CEMENT, SAND AND WATER IN THE FORM OF A SLURRY OR A GREEN BLOCK, COMPRISING THE STEPS OF SUPPLYING WATER TO THE SURFACE OF THE AGGREGATE WHILE SUBJECTING THE AGGREGATE TO A HIGH FREQUENCY FIELD.
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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |