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US3471606A
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Producing thermoplastic films
Assignee: Mobil Oil AS
•
Filing: 1964-03-18
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Granted: 1969-10-07
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Expires: 1984-03-18
Abstract
No abstract record available.
Inventors
- 👤 Herbert O Corbett
- 👤 John J Quackenbush
- 👤 Charles H Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:53
CPC Classifications
B; B29; B29C; B29C55/00; B29C55/02; B29C55/04; B29C55/08; B29C55/023; B29C55/06; B29C55/10; B29C55/12; B29C55/14; B29C55/146; B29C48/00; B29C48/001; B29C48/0018; B29C48/03; B29C48/07; B29C48/08; B29L; B29L2023/00; B29L2023/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2412187A
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US2618012A
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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) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |