Patent US3119150A successfully refreshed from Google Patents.
US3119150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing smooth, flat rolls of film
Assignee: Millennium Petrochemicals Inc
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Filing: 1961-05-04
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Granted: 1964-01-28
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Expires: 1981-05-04
Abstract
No abstract record available.
Inventors
- 👤 Gordon P Hungerford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:47
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/88; B29C48/919; B29C48/03; B29C48/07; B29C48/08; B29C48/30; B29C48/305; B29C48/36; B29C48/50; B29C48/911; B29C48/9135; B29C48/914; B29C48/915; B29C48/9155; B29C48/09; B29C48/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN APPARATUS FOR PRODUCING RELATIVELY SMOOTH FLAT ROLLS OF EXTRUDED THERMOPLASTIC SYNTHETIC POLYMERS IN SHEET FORM, THE COMBINATION OF A UNIT INCLUDING AN EXTRUDER, A DIE ASSOCIATED WITH SAID EXTRUDER AND ADAPTED TO EXTRUDE FROM SAID DIE SINGLE LAYER MOLTEN FILM OF SAID POLYMER, SAID DIE BEING MOUNTED UPON A PAIR OF SPACED DECKLE RODS WHICH PROJECT INTO THE DIE AND ARE MAINTAINED IN FIXED POSITION, A UNIT INCLUDING MEANS ADAPTED TO RECEIVE AND COOL SAID MOLTEN FILM OF POLYMER TO SOLIDIFEID STATE, AND MEANS FOR CONTINUOUSLY TRANSVERSELY RECIPROCATING SAID DIE AND, SAID DECKLE RODS BEING ASSOCIATED WITH THE ORIFICE OF SAID DIE FOR MAINTAINING SUBSTANTIALLY CONSTANT THE WIDTH AND LONGITUDINAL AXIS OF THE EXTRUDED FILM.
Claim 2
Dependent Claim
116 words
IN APPARATUS FOR PRODUCING RELATIVELY SMOOTH FLAT ROLLS OF EXTRUDED THERMOPLASTIC SYNTHETIC POLYMERS IN SHEET FORM, THE COMBINATION OF A UNIT INCLUDING AN EXTRUDER, A DIE ASSOCIATED WITH SAID EXTRUDER AND ADAPTED TO EXTRUDE FROM SAID DIE SINGLE LAYER MOLTEN FILM OF SAID POLYMER, SAID DIE BEING MOUNTED UPON A PAIR OF SPACED DECKLE RODS WHICH PROJECT INTO THE DIE AND ARE MAINTAINED IN FIXED POSITION, A UNIT INCLUDING MEANS ADAPTED TO RECEIVE AND COOL SAID MOLTEN FILM OF POLYMER TO SOLIDIFEID STATE, AND MEANS FOR CONTINUOUSLY TRANSVERSELY RECIPROCATING SAID DIE AND, SAID DECKLE RODS BEING ASSOCIATED WITH THE ORIFICE OF SAID DIE FOR MAINTAINING SUBSTANTIALLY CONSTANT THE WIDTH AND LONGITUDINAL AXIS OF THE EXTRUDED FILM.
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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) | 1967-01-27 | 1967-07-29 | 1968-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-27 | 1971-07-29 | 1972-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-27 | 1975-07-29 | 1976-01-28 | $7700.00 | Window Closed / Lapsed |