US2605205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective overlay sheets and process of preparing same
Assignee: Wyeth Holdings LLC
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Filing: 1946-10-25
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Granted: 1952-07-29
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Expires: 1966-10-25
Abstract
No abstract record available.
Inventors
- 👤 Donald G Patterson
- 👤 William F Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:57
CPC Classifications
B; B32; B32B; B32B27/00; C; C08; C08J; C08J5/00; C08J5/04; C08J5/047; C08J2361/00; C08J2361/20; C08J2361/26; C08J2361/28; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24851; Y10T428/24868; Y10T428/31504; Y10T428/31942
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
79 words
A LAMINATE COMPRISING A DECORATIVE LAMINA AND A PROTECTIVE SHEET POSITIONED THEREOVER, SAID PROTECTIVE SHEET COMPRISING A THERMOSETTING MELAMINE-FORMALDEHYDE RESIN AND A FIBROUS SUBSTRATUM OF UNIFORM DENSITY IMPREGNATED WITH SAID RESIN, HAVING 50-90% SYNTHETIC RESINOUS FIBERS, SAID RESIN AND SUBSTRATUM BEING SEPERATELY OPTICALLY HOMOGENOUS AND SAID RESIN AND SUBSTRATUM BEING IN OPTICAL CONTACT WITH ONE ANOTHER, AND SAID RESIN-IMPREGNATED SUBSTRATUM BEING BONDED TO SAID LAMINA UPON THE APPLICATION OF HEAT AND PRESSURE AND BEING RENDERED CLEAR AND TRANSPARENT THEREBY.
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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) | 1955-07-29 | 1956-01-28 | 1956-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-29 | 1960-01-28 | 1960-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-29 | 1964-01-28 | 1964-07-29 | $7700.00 | Window Closed / Lapsed |