US2729209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for handling asphalt
Assignee: Individual
•
Filing: 1953-11-20
•
Granted: 1956-01-03
•
Expires: 1973-11-20
Abstract
No abstract record available.
Inventors
- 👤 Miller William Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:22
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/80; C; C10; C10C; C10C3/00; C10C3/10; C10C3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN APPARATUS FOR HANDLING ASPHALT INCLUDING A SOURCE OF A FLUID HEATING MEDIUM A HORIZONTALLY DISPOSED CYLINDRICAL CONTAINER HAVING AN ACCESS OPENING IN THE UPPER PART THEREOF AND A VALVED OPENING IN THE LOWER PART THEREOF AND STRUCTURE BY WHICH SAID CONTAINER MAY BE HANDLED, AN INTERNALLY HEATED SADDLE FOR THE RECEPTION OF SAID CONTAINER AND A MOVABLE HEAT RETAINING CAP FOR ENVELOPING SAID CONTAINER ON SAID SADDLE, HEATING COILS EXTENDING DOWNWARDLY WITHIN SAID HEAT RETAINING CAP AND TERMINATING SHORT OF THE BOTTOM THEREOF AND ACTING TO ENTER THE ACCESS OPENING OF SAID CONTAINER WHEN SAID HEAT RETAINING CAP IS POSITIONED THEREOVER, SAID HEATED SADDLE, HEATING COILS AND HEAT RETAINING CAP ACTING TO LIQUEFY AND CONTENTS OF THE SAID CONTAINER SO THAT THE SAME MAY BE REMOVED THROUGH SAID VALVED OPENING.
Claim 2
Dependent Claim
131 words
IN APPARATUS FOR HANDLING ASPHALT INCLUDING A SOURCE OF A FLUID HEATING MEDIUM A HORIZONTALLY DISPOSED CYLINDRICAL CONTAINER HAVING AN ACCESS OPENING IN THE UPPER PART THEREOF AND A VALVED OPENING IN THE LOWER PART THEREOF AND STRUCTURE BY WHICH SAID CONTAINER MAY BE HANDLED, AN INTERNALLY HEATED SADDLE FOR THE RECEPTION OF SAID CONTAINER AND A MOVABLE HEAT RETAINING CAP FOR ENVELOPING SAID CONTAINER ON SAID SADDLE, HEATING COILS EXTENDING DOWNWARDLY WITHIN SAID HEAT RETAINING CAP AND TERMINATING SHORT OF THE BOTTOM THEREOF AND ACTING TO ENTER THE ACCESS OPENING OF SAID CONTAINER WHEN SAID HEAT RETAINING CAP IS POSITIONED THEREOVER, SAID HEATED SADDLE, HEATING COILS AND HEAT RETAINING CAP ACTING TO LIQUEFY AND CONTENTS OF THE SAID CONTAINER SO THAT THE SAME MAY BE REMOVED THROUGH SAID VALVED OPENING.
References Cited (Backward Citations)
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Cited
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Cited
US2548177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-02 | 1959-07-04 | 1960-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-02 | 1963-07-04 | 1964-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-02 | 1967-07-04 | 1968-01-03 | $7700.00 | Window Closed / Lapsed |