US2862245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing films
Assignee: Akzo Nobel UK PLC
•
Filing: 1951-09-07
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Granted: 1958-12-02
•
Expires: 1971-09-07
Abstract
No abstract record available.
Inventors
- 👤 Frank H Rcichel
- 👤 Augustus E Craver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:35
CPC Classifications
B; B29; B29D; B29D7/00; B29C; B29C71/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1590595A
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US1548864A
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US1660640A
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US2030843A
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GB423365A
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US2070252A
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US2299459A
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US2433122A
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US2445333A
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US2622340A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |