Patent US2727734A successfully refreshed from Google Patents.
US2727734A
Expired / Lapsed
US
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Method of and apparatus for cooling concrete aggregates
Assignee: SC Johnson and Son Inc
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Filing: 1951-06-14
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Granted: 1955-12-20
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Expires: 1971-06-14
Abstract
No abstract record available.
Inventors
- 👤 Archie J Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:20
CPC Classifications
B; B28; B28C; B28C7/00; B28C7/0007; B28C7/0023; B28C7/0038
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A CYCLICALLY OPERABLE METHOD OF PRECOOLING A PLURALITY OF AGGREGATES OF DIFFERENT SIZES PRIOR TO MIXING THE AGGREGATES TO FORM CONCRETE, EACH CYCLE OF SAID METHOD COMPRISING THE STEPS OF ASSEMBLING SEGREGATED QUANTITIES OF THE AGGREGATES, SPRAYING THE AGGREGATES WITH COLD WATER FOR DIFFERENT FRACTIONS OF THE CYCLE IN PROPORTION TO THE SIZES OF THE AGREGATES, DRAINING THE RESPECTIVE AGGREGATES FOR THE REMAINING PORTIONS OF THE CYCLE, SAID REMAINING PORTIONS THEREBY BEING INVERSELY PROPORTIONAL TO THE SIZES OF THE AGGREGATES, AND REMOVING SAID QUANTITITES OF THE AGGREGATES AFTER DRAINING, SAID SPRAYING BEING INITIATED FOR THE RESPECTIVE AGGREGATES IN STAGGERED ROTATION THROUGHOUT SAID CYCLE SO THAT SAID ASSEMBLING AND REMOVING OPERATIONS FOR THE RESPECTIVE AGGREGATES WILL ALSO BE STAGGERED ALONG SAID CYCLE.
Claim 2
Dependent Claim
121 words
A CYCLICALLY OPERABLE METHOD OF PRECOOLING A PLURALITY OF AGGREGATES OF DIFFERENT SIZES PRIOR TO MIXING THE AGGREGATES TO FORM CONCRETE, EACH CYCLE OF SAID METHOD COMPRISING THE STEPS OF ASSEMBLING SEGREGATED QUANTITIES OF THE AGGREGATES, SPRAYING THE AGGREGATES WITH COLD WATER FOR DIFFERENT FRACTIONS OF THE CYCLE IN PROPORTION TO THE SIZES OF THE AGREGATES, DRAINING THE RESPECTIVE AGGREGATES FOR THE REMAINING PORTIONS OF THE CYCLE, SAID REMAINING PORTIONS THEREBY BEING INVERSELY PROPORTIONAL TO THE SIZES OF THE AGGREGATES, AND REMOVING SAID QUANTITITES OF THE AGGREGATES AFTER DRAINING, SAID SPRAYING BEING INITIATED FOR THE RESPECTIVE AGGREGATES IN STAGGERED ROTATION THROUGHOUT SAID CYCLE SO THAT SAID ASSEMBLING AND REMOVING OPERATIONS FOR THE RESPECTIVE AGGREGATES WILL ALSO BE STAGGERED ALONG SAID CYCLE.
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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) | 1958-12-19 | 1959-06-20 | 1959-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-19 | 1963-06-20 | 1963-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-19 | 1967-06-20 | 1967-12-20 | $7700.00 | Window Closed / Lapsed |