US2515243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and means for forming extruded plastic sheets
Assignee: Individual
•
Filing: 1946-12-02
•
Granted: 1950-07-18
•
Expires: 1966-12-02
Abstract
No abstract record available.
Inventors
- 👤 Lyon George Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:22
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/22; B29C48/00; B29C48/03; B29C48/07; B29C48/08; B29C48/25; B29C48/30; B29C48/305; B29L; B29L2007/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
77 words
IN APPARATUS FOR FORMING PLASTIC MATERIAL INTO SHEETS, CONVERGENTLY DISPOSED SHEET FORMING BELTS, A PLASTIC EXTRUSION NOZZEL EXTENDING INTO THE CONVERGENCE OF SAID BELTS BUT BEING DISPOSED IN SPACED RELATION TO SAID BELTS AND THE ACTUAL POINT OF CLOSEST CONVERGENCE THEREOF, AND PLATES CARRIED BY THE NOZZEL FOR CLOSING THE ENDS OF THE SPACE BETWEEN THE DISCHARGE END OF THE NOZZLE AND SAID POINT OF CONVERGENCE FOR RETAINING AN ATMOSPHERE-EXCLUDING DAM OF PLASTIC MATERIAL IN SAID CONVERGENCE.
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) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |