Patent US3540380A successfully refreshed from Google Patents.
Patent US3064308A successfully refreshed from Google Patents.
US3064308A
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US
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Continuous production of profiled plastic sheets
Assignee: ACOPLAST KUNSTSTOFF VERARBEITU
•
Filing: 1958-08-27
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Granted: 1962-11-20
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Expires: 1978-08-27
Abstract
No abstract record available.
Inventors
- 👤 Caspersen Gerdt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:54
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/22; B29C53/24; B29K; B29K2105/00; B29K2105/06; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24669; Y10T428/24694
Claims Analysis
Total Claims: 0
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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) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |