Patent US2534279A successfully refreshed from Google Patents.
US2534279A
Expired / Lapsed
US
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Vapor detecting device for determining paintability of masonry surfaces
Assignee: L SONNEBORN SONS Inc
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Filing: 1947-07-26
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Granted: 1950-12-19
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Expires: 1967-07-26
Abstract
No abstract record available.
Inventors
- 👤 Liberthson Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:47
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)
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 |