Patent US2605205A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2605205A Expired / Lapsed US ⏱️ 0.0 years remaining

Protective overlay sheets and process of preparing same

Assignee: Wyeth Holdings LLC
•
Filing: 1946-10-25
•
Granted: 1952-07-29
•
Expires: 1966-10-25
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Donald G Patterson
  • 👤 William F Turner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 19:03
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.

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag