US3482280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for producing polymeric sheet
Assignee: Cupples Container Co
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Filing: 1967-03-16
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Granted: 1969-12-09
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Expires: 1987-03-16
Abstract
No abstract record available.
Inventors
- 👤 Clifford P Ronden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:23
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/88; B29C48/90; B29C48/901; B29C48/03; B29C48/07; B29C48/08; B29C48/09; B29C48/10; B29C48/30; B29C48/32; B29C2793/00; B29C2793/0063; B29C48/001; B29C48/0017; B29C48/0018; B29C48/0019; B29C48/0022; B29C48/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |