US3508944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Biaxially oriented linear highly crystalline polyolefin film coated with a polyolefin coating
Assignee: Union Carbide Corp
•
Filing: 1966-02-14
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Granted: 1970-04-28
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Expires: 1986-02-14
Abstract
No abstract record available.
Inventors
- 👤 William E Henderson
- 👤 Gerald R Toy
- 👤 William Sacks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:29
CPC Classifications
C; C09; C09J; C09J123/00; C09J123/02; C09J123/04; C09J123/06; B; B29; B29C; B29C48/00; B29C48/03; B29C48/09; B29C48/14; B29C48/147; B29C48/1472; B29C48/16; B29C48/18; B29C48/21; B29C48/25; B29C48/30; B29C48/32; B29C48/335; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/048; C08J7/052; B29C2791/00; B29C2791/004; B29C2791/007; B29C48/10; C08J2323/00; C08J2323/02; C08J2423/00; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2813; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31913
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA589517A
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US2932323A
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US3022543A
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US3294621A
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US2956723A
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US3068516A
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US3187982A
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US3260776A
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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) | 1973-04-27 | 1973-10-27 | 1974-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-27 | 1977-10-27 | 1978-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-27 | 1981-10-27 | 1982-04-28 | $7700.00 | Window Closed / Lapsed |