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US2557786A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of coating a siliceous base

Assignee: Corning Glass Works
•
Filing: 1947-06-12
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Granted: 1951-06-19
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Expires: 1967-06-12
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Abstract

No abstract record available.

Inventors

  • 👤 Johannson Oscar Kenneth

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 08:11
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/34; C03C17/3405; C04; C04B; C04B41/00; C04B41/45; C04B41/52

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 41 words
THE METHOD OF COATING A SILICEOUS BASE MEMBER WHICH COMPRISES PRIMING THE SURFACE OF THE BASE MEMBER WITH A COMPOSITION COMPRISING PHENYLSILICON TRICHLORIDE AND THEREAFTER APPLYING TO THE PRIMED SURFACE A SOLUTION OF RESINOUS COATING AND THEREAFTER DRYING THE COATED BASE.
Claim 2
Independent Claim 41 words
THE METHOD OF COATING A SILICEOUS BASE MEMBER WHICH COMPRISES PRIMING THE SURFACE OF THE BASE MEMBER WITH A COMPOSITION COMPRISING PHENYLSILICON TRICHLORIDE AND THEREAFTER APPLYING TO THE PRIMED SURFACE A SOLUTION OF RESINOUS COATING AND THEREAFTER DRYING THE COATED BASE.

References Cited (Backward Citations)

US2286767A Cited
US2215048A Cited
US2258218A Cited
US2258222A Cited
US2306222A Cited
US2390370A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-06-18 1954-12-18 1955-06-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-06-18 1958-12-18 1959-06-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-06-18 1962-12-18 1963-06-19 $7700.00 Window Closed / Lapsed

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