US3347533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drier and mixer for aggregate and binder
Assignee: Individual
•
Filing: 1963-04-29
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Granted: 1967-10-17
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Expires: 1983-04-29
Abstract
No abstract record available.
Inventors
- 👤 John H Mauldin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:41
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/02; E01C19/10; E01C19/1013; E01C19/104; E01C19/1045; E01C2019/1081; E01C2019/109
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
134 words
IN AN ELONGATED MIXER AND DRIER FOR MIXING AGGREGATE WITH BINDER HAVING A MIXING CHAMBER AND AN ELONGATED CONDUIT CONNECTED TO THE MIXING CHAMBER ON ONE END OF THE CONDUIT FOR COMMUNICATION THEREBETWEEN, MEANS INTRODUCING FLAME AND AIR IN A FORCED DRAFT WITHIN THE MIXING CHAMBER, AND MEANS WITHDRAWING SAID AIR FROM THE CONDUIT OPPOSITE THE END THEREOF CONNECTED TO THE CHAMBER, THE IMPROVEMENT INCLUDING, A SUBSTANTIALLY VERTICAL HOUSING, A PIPE WITHIN SAID HOUSING OPENING AT THE TOP TO THE OUTSIDE AIR AND HAVING AN OPENING IN THE BOTTOM THEREOF, MEANS INTRODUCING AIR FROM THE MEANS EXHAUSTING AIR FROM THE CHAMBER INTO THE VERTICAL COMPARTMENT SUBSTANTIALLY ABOVE THE OPENING ADJACENT THE BOTTOM OF THE PIPE, AND MEANS CONNECTING THE LOWER PORTION OF THE HOUSING BELOW THE BOTTOM OF THE PIPE WITH THE MIXING CHAMBER.
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) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |