US3313869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making clay aggregate from raw clay
Assignee: Individual
•
Filing: 1963-08-07
•
Granted: 1967-04-11
•
Expires: 1983-08-07
Abstract
No abstract record available.
Inventors
- 👤 Aaron J Cohen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:36
CPC Classifications
F; F27; F27B; F27B1/00; F27B1/005; C; C04; C04B; C04B33/00; C04B33/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A METHOD OF PRODUCING AGGREGATE FROM RAW CLAY FOUND AT A PROPOSED ROADWAY SITE AND TREATED IN A PORTABLE VERTICAL SHAFT-TYPE KILN, SAID METHOD COMPRISING THE STEPS OF: (A) ERECTING SAID KILN AT A FIRST LOCATION ALONG A PROPOSED ROADWAY IN CLOSE PROXIMITY TO A SUPPLY OF RAW CLAY; (B) MINING RAW CLAY HAVING A MOISTURE CONTENT OF LESS THAN 25% ROM A CLAY PIT; (C) DELIVERING SELECTED BITS OF THE MINED CLAY HAVING A SIZE RANGE BETWEEN ONE-FOURTH INCH AND ONE AND ONEHALF INCHES TO THE TOP OF SAID KLN WHILE AT LEAST SUBSTANTIALLY MAINTAINING THE MOISTURE CONTENT THEREOF AND DISCHARGING SAID CLAY BITS INTO SAID KILN;
Claim 2
Independent Claim
108 words
A METHOD OF PRODUCING AGGREGATE FROM RAW CLAY FOUND AT A PROPOSED ROADWAY SITE AND TREATED IN A PORTABLE VERTICAL SHAFT-TYPE KILN, SAID METHOD COMPRISING THE STEPS OF: (A) ERECTING SAID KILN AT A FIRST LOCATION ALONG A PROPOSED ROADWAY IN CLOSE PROXIMITY TO A SUPPLY OF RAW CLAY; (B) MINING RAW CLAY HAVING A MOISTURE CONTENT OF LESS THAN 25% ROM A CLAY PIT; (C) DELIVERING SELECTED BITS OF THE MINED CLAY HAVING A SIZE RANGE BETWEEN ONE-FOURTH INCH AND ONE AND ONEHALF INCHES TO THE TOP OF SAID KLN WHILE AT LEAST SUBSTANTIALLY MAINTAINING THE MOISTURE CONTENT THEREOF AND DISCHARGING SAID CLAY BITS INTO SAID KILN;
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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) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |