US3265552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for coating of biaxially oriented film
Assignee: Monsanto Co
•
Filing: 1964-08-12
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Granted: 1966-08-09
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Expires: 1984-08-12
Abstract
No abstract record available.
Inventors
- 👤 Loring J Berggren
- 👤 Charles T Hathaway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:11
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/88; B29C48/90; B29C48/901; B29C48/902; B29C48/001; B29C48/0022; B29C48/03; B29C48/09; B29C48/10; B29C2793/00; B29C2793/0063; B29C48/0018; B29C48/0019; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/1075
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
108 words
A METHOD FOR COATING BIAXIAL ORIENTED TUBULARSHAPED MEMBERS OF THERMOPLASTIC SYNTHETIC POLYMERIC MATERIAL COMPRISING THE STEPS OF (1) EXTRUDING A TUBULAR MEMBER OF THERMOPLASTIC SYNTHETIFC POLYMERIC MATERIAL, (2) LATERALLY AND LONGITUDINALLY EXPANDING SAID TUBULAR MEMBER BY DRAWING SAID TUBULAR MEMBER OVER AND IN CONTACT WITH A DIVERGING MANDREL WHILE MAINTAINING THE TEMPERATURE OF SAID TUBULAR MEMBER ABOVE ITS GLASSY TRANSSITION TEMPERATURE, (3) COATING THE INTERNAL SURFACE OF SAID TUBULAR MEMBER WITH A FLUID COATING, (4) COOLING THE TUBULAR MEMBER BELOW ITS GLASSY TRANSITION TEMPERATURE, (5) CUTTING THE TUBULAR MEMBER INTO TWO EQUAL LENGTHWISE HALVES AND (6) PRESSING TOGETHER THE TUBULAR HALVES TO FORM A CONTINUOUS FLAT SANDWICH CONSTRUCTION;
References Cited (Backward Citations)
US2632205A
Cited
US2987767A
Cited
US3008186A
Cited
US3108851A
Cited
US3074108A
Cited
US3108324A
Cited
US3159698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |