US3474160A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for controlling blown film extruder
Assignee: Industrial Nucleonics Corp
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Filing: 1965-04-27
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Granted: 1969-10-21
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Expires: 1985-04-27
Abstract
No abstract record available.
Inventors
- 👤 George I Doering
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:40
CPC Classifications
G; G01; G01B; G01B15/00; G01B15/02; B; B29; B29C; B29C48/00; B29C48/25; B29C48/92; B29C2948/00; B29C2948/92; B29C2948/92009; B29C2948/92085; B29C2948/92095; B29C2948/92504; B29C2948/9258; B29C2948/9259; B29C2948/92609; B29C2948/92647; B29C2948/92819; B29C2948/92923; B29C2948/92952; B29C48/03; B29C48/09; B29C48/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3368007A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |