US3562075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Delaminating device
Assignee: EIDP Inc
•
Filing: 1968-01-15
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Granted: 1971-02-09
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Expires: 1988-01-15
Abstract
Abstract IN A DEVICE FOR DELAMINATING A MULTILAYERED ELEMENT HAVING A STRIPPABLE STRATUM AND A PLASTIC FILM OUTER STRATUM, A SURFACE GRIPPING MEMBER CHARACTERIZED IN THAT ITS SURFACE HAS A PLURALITY OF SPACED PROTRUSIONS OF SMALL SURFACE AREA WHICH CAN BE FORCED INTO THE SURFACE OF THE ELEMENT. THE GRIPPING MEMBER MAY BE IN A TOOL (PLIER TYPE) ON A ROLLER OR ON A BELT OF A CONTINUOUS TYPE DELAMINATION MACHINE.
Inventors
- 👤 Nathaniel Convers Wyeth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:36
CPC Classifications
B; B29; B29C; B29C63/00; B29C63/0004; B29C63/0013; B29C67/00; Y; Y10; Y10T; Y10T156/00; Y10T156/11; Y10T156/1168
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |