Patent US2841827A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2841827A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for producing electromechanically sensitive sheet material

Assignee: Electric Machinery Manufacturing Co
•
Filing: 1954-04-26
•
Granted: 1958-07-08
•
Expires: 1974-04-26
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Joseph W Crownover

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 17:53
CPC Classifications
B; B28; B28B; B28B5/00; B28B5/02; B28B5/026; B28B5/027

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 129 words
IN A METHOD OF FORMING BARIUM TITANATE CERAMIC BODIES IN THIN LAYERS FROM A VISCOUS FILM-FORMING LIQUID MIX CONTAINING COMMINUTED BARIUM TITANATE SOLIDS AND POLYMERIZABLE LIQUID RESIN, THE COMMINUTED SOLIDS BEING PRESENT IN A SUFFICIENT AMOUNT TO FORM A THIN CERAMIC WARE AND THE MIX BEING CONGEALABLE UPON THE APPLICATION OF HEAT THERETO; THE STEPS OF RPOVIDING A MOVING UNIFORMLY INCLINED, IMPERVIOUS SURFACE; FORMING A BODY OF THE LIQUID MIX ON A PORTION OF THE INCLINED SURFACE SO THAT SAID SURFACE SUPPORTS THE SAID MIX; PASSING SAID SURFACE UPWARDLY AT A UNIFORM ANGLE TO THE HORIZONTAL BENEATH SAID BODY OF LIQUID MIX AT ALL AREAS OF CONTACT BETWEEN THE SAID SURFACE AND MIX; PREHEATING SAID IMPERVIOUS SURFACE BEFORE CONTACT WITH SAID LIQUID MIX TO CAUSE SAID MIX TO CONGEAL

References Cited (Backward Citations)

USRE24114E Cited
US2170441A Cited
US2120720A Cited
GB500298A Cited
US2327765A Cited
US2441235A Cited
US2486410A Cited
US2439802A Cited
US2539446A Cited
US2554327A Cited
US2582993A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-07-07 1962-01-06 1962-07-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-07-07 1966-01-06 1966-07-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-07-07 1970-01-06 1970-07-08 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag