US3227055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Asphalt dispenser
Assignee: Individual
•
Filing: 1962-10-19
•
Granted: 1966-01-04
•
Expires: 1982-10-19
Abstract
No abstract record available.
Inventors
- 👤 William P Glade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:34
CPC Classifications
E; E01; E01C; E01C23/00; E01C23/06; E01C23/09; E01C23/0966; E01C23/0973; E01C23/098
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
IN APPARATUS FOR SEALING FRACTURES IN CONCRETE PAVEMENTS AN ASPHALT DISPENSER HAVING, A WHEELED FRAME, A HOUSING ON SAID FRAME, AND A HEATING VAT FOR CONTAINING ASPHALT IN A FLUID STATE SUPPORTED THEREON, AND MEANS FOR HEATING SAID VAT, THE IMPROVEMENTS COMPRISING, A CUPSHAPED ASPHALT DISPENSING POT CARRIED BY SAID FRAME AND HAVING A RESTRICTED OUTLET ORIFICE, AND A FLOW CONDUIT CONNECTING SAID DISPENSING POT WITH SAID VAT, A NORMALLY CLOSED VALVE IN SAID FLOW CONDUIT HAVING MEANS FOR MANUALLY OPENING THE SAME TO DISPENSE FLUID ASPHALT TO SAID DISPENSING POT, A FLEXIBLE BOOT SURROUNDING THE OUTER ORIFICE OF SAID DISPENSING POT AND EXTENDING THEREBELOW TO SLIDABLY ENGAGE A WORKING SURFACE, YIELDABLE MEANS FOR BIASING SAID BOOT AGAINST SUCH WORKING SURFACE, AND MEANS COMPRISING A LEVER HAVING A LINKAGE CONNECTED TO SAID POT FOR RAISING AND LOWERING SAID DISPENSING POT AND SAID BOAT WITH RESPECT TO THE SURFACE OF A PAVEMENT.
Claim 2
Dependent Claim
151 words
IN APPARATUS FOR SEALING FRACTURES IN CONCRETE PAVEMENTS AN ASPHALT DISPENSER HAVING, A WHEELED FRAME, A HOUSING ON SAID FRAME, AND A HEATING VAT FOR CONTAINING ASPHALT IN A FLUID STATE SUPPORTED THEREON, AND MEANS FOR HEATING SAID VAT, THE IMPROVEMENTS COMPRISING, A CUPSHAPED ASPHALT DISPENSING POT CARRIED BY SAID FRAME AND HAVING A RESTRICTED OUTLET ORIFICE, AND A FLOW CONDUIT CONNECTING SAID DISPENSING POT WITH SAID VAT, A NORMALLY CLOSED VALVE IN SAID FLOW CONDUIT HAVING MEANS FOR MANUALLY OPENING THE SAME TO DISPENSE FLUID ASPHALT TO SAID DISPENSING POT, A FLEXIBLE BOOT SURROUNDING THE OUTER ORIFICE OF SAID DISPENSING POT AND EXTENDING THEREBELOW TO SLIDABLY ENGAGE A WORKING SURFACE, YIELDABLE MEANS FOR BIASING SAID BOOT AGAINST SUCH WORKING SURFACE, AND MEANS COMPRISING A LEVER HAVING A LINKAGE CONNECTED TO SAID POT FOR RAISING AND LOWERING SAID DISPENSING POT AND SAID BOAT WITH RESPECT TO THE SURFACE OF A PAVEMENT.
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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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |