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US2950997A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of applying insulating coating

Assignee: Individual
•
Filing: 1957-12-04
•
Granted: 1960-08-30
•
Expires: 1977-12-04
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Abstract

No abstract record available.

Inventors

  • 👤 Andrew A Halacsy

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 11:44
CPC Classifications
B; B05; B05D; B05D5/00; B05D5/12

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 221 words
A METHOD FOR APPLYING A COATING OF UNIFORM DIELECTRIC STRENGTH TO A PIECE OF ELECTRICAL EQUIPMENT, WHICH METHOD INCLUDES: SUPPORTING SAID EQUIPMENT TO EXPOSE A FIRST AREA WHILE A SECOND AREA IS COVERED BY SAID SUPPORT, MIXING A SELF-CURING MIXTURE OF TWO DIFFERENT COLOURED PLASTIC COMPONENTS, EACH OF SAID COMPONENTS BEING NONCURING SEPARATELY AND SELF-CURING WHEN COMBINED, AND APPLYING A UNIFORM COATING OF SAID MIXTURE TO SAID FIRST SURFACE AREA, EXCEPT FOR A BORDER ZONE BETWEEN SAID FIRST AND SAID SECOND SURFACE AREAS, APPLYING A COATING OF ONE OF SAID COMPONENTS TO SAID BORDER ZONE BEFORE SAID ING IN THICKNESS FROM SAID FIRST AREA COATING TO THE EDGE OF SAID SECOND AREA, SUPPORTING SAID EQUIPMENT ON SAID FIRST AREA AND UNIFORMLY COATING SAID SECOND AREA WITH THE SAME MIXTURE USED TO COAT SAID FIRST AREA, APPLYING A COATING OF THE SECOND OF SAID COMPONENTS TO SAID BOUNDARY ZONE, SAID COATING DIMINISHING IN THICKNESS FROM SAID SECOND AREA COATING TO THE EDGE OF SAID FIRST AREA COATING, AND FORMING WITH SAID FIRST BOUNDARY ZONE COATING A LAYER OF SUBSTANTIALLY THE SAME THICKNESS AS SAID FIRST AND SECOND AREA COATINGS, KNEADING SAID TWO BOUNDARY ZONE COATINGS TO PRODUCE A BOUNDARY ZONE COATING OF THE SAME THICKNESS AND COLOR AS SAID FIRST AND SECOND AREA COATINGS, AND CURING ANY UNCURED PARTS OF SAID COATING.
Claim 2
Independent Claim 221 words
A METHOD FOR APPLYING A COATING OF UNIFORM DIELECTRIC STRENGTH TO A PIECE OF ELECTRICAL EQUIPMENT, WHICH METHOD INCLUDES: SUPPORTING SAID EQUIPMENT TO EXPOSE A FIRST AREA WHILE A SECOND AREA IS COVERED BY SAID SUPPORT, MIXING A SELF-CURING MIXTURE OF TWO DIFFERENT COLOURED PLASTIC COMPONENTS, EACH OF SAID COMPONENTS BEING NONCURING SEPARATELY AND SELF-CURING WHEN COMBINED, AND APPLYING A UNIFORM COATING OF SAID MIXTURE TO SAID FIRST SURFACE AREA, EXCEPT FOR A BORDER ZONE BETWEEN SAID FIRST AND SAID SECOND SURFACE AREAS, APPLYING A COATING OF ONE OF SAID COMPONENTS TO SAID BORDER ZONE BEFORE SAID ING IN THICKNESS FROM SAID FIRST AREA COATING TO THE EDGE OF SAID SECOND AREA, SUPPORTING SAID EQUIPMENT ON SAID FIRST AREA AND UNIFORMLY COATING SAID SECOND AREA WITH THE SAME MIXTURE USED TO COAT SAID FIRST AREA, APPLYING A COATING OF THE SECOND OF SAID COMPONENTS TO SAID BOUNDARY ZONE, SAID COATING DIMINISHING IN THICKNESS FROM SAID SECOND AREA COATING TO THE EDGE OF SAID FIRST AREA COATING, AND FORMING WITH SAID FIRST BOUNDARY ZONE COATING A LAYER OF SUBSTANTIALLY THE SAME THICKNESS AS SAID FIRST AND SECOND AREA COATINGS, KNEADING SAID TWO BOUNDARY ZONE COATINGS TO PRODUCE A BOUNDARY ZONE COATING OF THE SAME THICKNESS AND COLOR AS SAID FIRST AND SECOND AREA COATINGS, AND CURING ANY UNCURED PARTS OF SAID COATING.

References Cited (Backward Citations)

US1777960A Cited
US1493370A Cited
GB356849A Cited
US2462977A Cited
US2780879A Cited
US2813047A Cited
US2843555A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-08-30 1964-02-29 1964-08-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-08-30 1968-02-29 1968-08-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-08-30 1972-02-29 1972-08-30 $7700.00 Window Closed / Lapsed

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