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US2733673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production -of formed masses of plastic material
Assignee: —
•
Filing: —
•
Granted: 1956-02-07
•
Expires: 1973-02-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:45
CPC Classifications
B; B65; B65B; B65B3/00; B65B3/26; B65B3/30; B65B3/32
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
64 words
IN A METHOD OF PRODUCING A FORMED MASS OF PLASTIC MATERIAL FROM A STREAM OF CONFINED PLASTIC MATERIAL FED CONTINUOUSLY UNDER RELATIVELY LOW PRESSURE, SAID METHOD COMPRISING MEASURING SUCCESSIVE QUANTITIES OF MATERIAL FROM SAID STREAM WHILE CONFINING THE SAME AND MAINTAINING THE CONTINUOUS ADVANCEMENT THEREOF UNDER PRESSURE, SUBJECTING AND SUCCESSIVE QANTITIES OF MATERIAL TO INCEASED PRESSURE, AND DIRECTING SAID SUCCESSIVE QUANTITIES INTO SEPARATE PATHS.
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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) | 1959-02-06 | 1959-08-08 | 1960-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-06 | 1963-08-08 | 1964-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-06 | 1967-08-08 | 1968-02-07 | $7700.00 | Window Closed / Lapsed |