US3055048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Simultaneous blaxial stretching of film with a tenter frame
Assignee: Akzo Nobel UK PLC
•
Filing: 1959-11-12
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Granted: 1962-09-25
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Expires: 1979-11-12
Abstract
No abstract record available.
Inventors
- 👤 Koppehele Hugo Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:20
CPC Classifications
B; B29; B29C; B29C55/00; B29C55/02; B29C55/10; B29C55/12; B29C55/16; B29C55/165; Y; Y10; Y10S; Y10S264/00; Y10S264/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2923966A
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US2079584A
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US2473404A
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US2698967A
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US2755533A
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US2728941A
Cited
US2896262A
Cited
US2866231A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |