Patent US4242992A successfully refreshed from Google Patents.
Patent US3318481A successfully refreshed from Google Patents.
US3318481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Devices for melting and dispensing molten thermoplastic material
Assignee: United Shoe Machinery Corp
•
Filing: 1965-12-27
•
Granted: 1967-05-09
•
Expires: 1985-12-27
Abstract
No abstract record available.
Inventors
- 👤 Phillips Harry
- 👤 Roland B Lessard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:46
CPC Classifications
B; B29; B29B; B29B13/00; B29B13/02; B29B13/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A DEVICE FOR MELTING AND DISPENSING MOLTEN THERMOPLASTIC MATERIAL SUPPLIED IN THE FORM OF A SOLID FLEXIBLE ROD COMPRISING A MELT BODY FORMED TO PROVIDE A MELT CHAMBER OF A SIZE AND SHAPE TO PRESENT RELATIVELY LARGE SURFACE AREAS TO THE OPPOSITE SIDES OF THE LEADING END OF A SOLID ROD OF THERMOPLASTIC MATERIAL FED INTO SAID CHAMBER, AN INLET PASSAGEWAY LEADING INTO ONE END OF THE CHAMBER AND AN OUTLET PASSAGEWAY LEADING OUTWARDLY FROM THE OPPOSITE END OF THE CHAMBER, MEANS FOR HEATING SAID MELT BODY A VALVE IN SAID INLET PASSAGEWAY, MEANS FOR FEEDING THE LEADING END OF A SOLID ROD OF THERMOPLASTIC MATERIAL THROUGH THE INLET PASSAGE AND SAID VALVE INTO THE MELT CHAMBER, AND MEANS RESPONSIVE TO PRESSURE OF MOLTEN MATERIAL IN SAID MELT CHAMBER FOR OPENING AND CLOSING SAID VALVE AND FOR CONTROLLING THE OPERATION OF SAID ROD FEEDING MEANS.
Claim 2
Independent Claim
145 words
A DEVICE FOR MELTING AND DISPENSING MOLTEN THERMOPLASTIC MATERIAL SUPPLIED IN THE FORM OF A SOLID FLEXIBLE ROD COMPRISING A MELT BODY FORMED TO PROVIDE A MELT CHAMBER OF A SIZE AND SHAPE TO PRESENT RELATIVELY LARGE SURFACE AREAS TO THE OPPOSITE SIDES OF THE LEADING END OF A SOLID ROD OF THERMOPLASTIC MATERIAL FED INTO SAID CHAMBER, AN INLET PASSAGEWAY LEADING INTO ONE END OF THE CHAMBER AND AN OUTLET PASSAGEWAY LEADING OUTWARDLY FROM THE OPPOSITE END OF THE CHAMBER, MEANS FOR HEATING SAID MELT BODY A VALVE IN SAID INLET PASSAGEWAY, MEANS FOR FEEDING THE LEADING END OF A SOLID ROD OF THERMOPLASTIC MATERIAL THROUGH THE INLET PASSAGE AND SAID VALVE INTO THE MELT CHAMBER, AND MEANS RESPONSIVE TO PRESSURE OF MOLTEN MATERIAL IN SAID MELT CHAMBER FOR OPENING AND CLOSING SAID VALVE AND FOR CONTROLLING THE OPERATION OF SAID ROD FEEDING MEANS.
References Cited (Backward Citations)
US1874025A
Cited
US2765768A
Cited
US2866885A
Cited
US3170608A
Cited
US3227311A
Cited
US3239103A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |