Patent US2841827A successfully refreshed from Google Patents.
US2841827A
Expired / Lapsed
US
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Process for producing electromechanically sensitive sheet material
Assignee: Electric Machinery Manufacturing Co
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Filing: 1954-04-26
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Granted: 1958-07-08
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Expires: 1974-04-26
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
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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) | 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 |