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US2534279A Expired / Lapsed US ⏱️ 0.0 years remaining

Vapor detecting device for determining paintability of masonry surfaces

Assignee: L SONNEBORN SONS Inc
•
Filing: 1947-07-26
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Granted: 1950-12-19
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Expires: 1967-07-26
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Abstract

No abstract record available.

Inventors

  • 👤 Liberthson Leo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 06:33
CPC Classifications
G; G01; G01N; G01N31/00; G01N31/22; G01N31/222

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 61 words
DEVICE FOR DETERMINING PAINTABILITY OF MASONRY SURFACE WHICH COMPRISES A SUBSTANTIALLY TRANSPARENT BEAKER HAVING A CONTACT-SEAL LIP DEFINING A GROUND SUBSTANTIALLY FLAT SEALING SURFACE FOR SELF-ADHERING SAID BEAKER TO AND WITH ITS OPEN END AGAINST A MASONRY SURFACE IN SEALING RELATION THERETO AND MEANS CARRIED BY AND INSIDE SAID BEAKER FOR SECURING A MOISTURE INDICATOR OF THE COLOR CHANGE INDICATOR TYPE.
Claim 2
Dependent Claim 61 words
DEVICE FOR DETERMINING PAINTABILITY OF MASONRY SURFACE WHICH COMPRISES A SUBSTANTIALLY TRANSPARENT BEAKER HAVING A CONTACT-SEAL LIP DEFINING A GROUND SUBSTANTIALLY FLAT SEALING SURFACE FOR SELF-ADHERING SAID BEAKER TO AND WITH ITS OPEN END AGAINST A MASONRY SURFACE IN SEALING RELATION THERETO AND MEANS CARRIED BY AND INSIDE SAID BEAKER FOR SECURING A MOISTURE INDICATOR OF THE COLOR CHANGE INDICATOR TYPE.

References Cited (Backward Citations)

US456498A Cited
US1014842A Cited
US1103985A Cited
US1627883A Cited
US2017376A Cited
GB497700A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-12-18 1954-06-19 1954-12-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-12-18 1958-06-19 1958-12-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-12-18 1962-06-19 1962-12-19 $7700.00 Window Closed / Lapsed

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