Patent US3451872A successfully refreshed from Google Patents.
US3451872A
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Method and apparatus for removing backing sheets from thin laminates
Assignee: Easco Leasing Corp
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Filing: 1965-12-09
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Granted: 1969-06-24
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Expires: 1985-12-09
Abstract
No abstract record available.
Inventors
- 👤 Edwin F Townsend
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:57
CPC Classifications
B; B29; B29C; B29C63/00; B29C63/0004; B29C63/0013; B65; B65C; B65C9/00; B65C9/08; B65C9/18; B65C9/1865; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1059; Y10T156/11; Y10T156/1168; Y10T156/1179; Y10T156/1184; Y10T156/12; Y10T156/19; Y10T156/1928
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) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |