Patent US3558159A successfully refreshed from Google Patents.
US3558159A
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US
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Manifold forms
Assignee: Energy Absorption Systems Inc
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Filing: 1968-05-28
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Granted: 1971-01-26
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Expires: 1988-05-28
Abstract
Abstract D R A W I N G THIS INVENTION PROVIDES A NEW WAY OF ATTACHING CARBONLESS COPYING SHEETS IN LAYERED ASSEMBLY, EACH SHEET EXCEPT ONE OUTER SHEET HAVING A COATING ON ONE SIDE. THE ATTACHMENT IS BY ADHESIVE APPLIED TO AN UNCOATED SURFACE OF ONE OUTER SHEET AND THE JOINING OF IT WITH AN UNCOATED SURFACE OF THE OTHER OUTER SHEET BY AN APPROPRIATE STRUCTURE TO GET A SECURE ADHESIVE BOND TO HOLD THE SHEETS IN ASSEMBLED RELATIONSHIP.
Inventors
- 👤 William R Wakeman
- 👤 William D Waffner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:41
CPC Classifications
B; B41; B41L; B41L1/00; B41L1/20; B41L1/26; B41L1/32; B41L1/323; B41L1/325
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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |