Patent US3280710A successfully refreshed from Google Patents.
US3280710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve and wiping mechanism for asphalt dispensers
Assignee: Individual
•
Filing: 1963-08-16
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Granted: 1966-10-25
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Expires: 1983-08-16
Abstract
No abstract record available.
Inventors
- 👤 William P Glade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:03
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/12; E01C19/16; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
IN AN ASPHALT DISPENSING APPARATUS HAVING A WHEELED HOUSING, A HANDLE ON SAID HOUSING, A HEATING VAT IN SAID HOUSING, AND A HEATING CHAMBER BENEATH SAID VAT HAVING A BURNER THEREIN, A DISPENSING VALVE IN SAID HEATING CHAMBER HAVING AN INLET COMMUNICATING WITH SAID VAT, AND HAVING A DISPENSING TUBE CONNECTED THERETO EXTENDING THROUGH A WALL OF SAID HOUSING, THE SAID VALVE COMPRISING THROUGH HAVING INLET AND OUTLET PASSAGES THEREIN, A NEEDLE VALVE IN SAID INLET PASSAGE FOR RESTRICTING THE FLOW THERETHROUGH AND CLOSING SAID PASSAGE AND A POPPET CLOSURE IN SAID OUTLET PASSAGE CAPABLE OF INTERMITTENTLY INTERRUPTING THE FLOW OF ASPHALT THROUGH SAID DISPENSING TUBE, A GUIDE ROD SLIDABLY ARRANGED ON SAID HOUSING AND A DISPENSING RECEPTACLE, HAVING A WIPING SHOE THEREON, SUPPORTED ON THE LOWER END OF SAID ROD ADJACENT TO SAID DISPENSING TUBE AND ADJUSTABLE VERTICALLY WITH RESPECT THERETO, AND MEANS COMPRISING A PAIR OF LEVERS PIVOTED ON A PORTION OF SAID HOUS-
Claim 2
Dependent Claim
156 words
IN AN ASPHALT DISPENSING APPARATUS HAVING A WHEELED HOUSING, A HANDLE ON SAID HOUSING, A HEATING VAT IN SAID HOUSING, AND A HEATING CHAMBER BENEATH SAID VAT HAVING A BURNER THEREIN, A DISPENSING VALVE IN SAID HEATING CHAMBER HAVING AN INLET COMMUNICATING WITH SAID VAT, AND HAVING A DISPENSING TUBE CONNECTED THERETO EXTENDING THROUGH A WALL OF SAID HOUSING, THE SAID VALVE COMPRISING THROUGH HAVING INLET AND OUTLET PASSAGES THEREIN, A NEEDLE VALVE IN SAID INLET PASSAGE FOR RESTRICTING THE FLOW THERETHROUGH AND CLOSING SAID PASSAGE AND A POPPET CLOSURE IN SAID OUTLET PASSAGE CAPABLE OF INTERMITTENTLY INTERRUPTING THE FLOW OF ASPHALT THROUGH SAID DISPENSING TUBE, A GUIDE ROD SLIDABLY ARRANGED ON SAID HOUSING AND A DISPENSING RECEPTACLE, HAVING A WIPING SHOE THEREON, SUPPORTED ON THE LOWER END OF SAID ROD ADJACENT TO SAID DISPENSING TUBE AND ADJUSTABLE VERTICALLY WITH RESPECT THERETO, AND MEANS COMPRISING A PAIR OF LEVERS PIVOTED ON A PORTION OF SAID HOUS-
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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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |