Patent US2507239A successfully refreshed from Google Patents.
US2507239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective coating compositions
Assignee: Individual
•
Filing: 1946-12-02
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Granted: 1950-05-09
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Expires: 1966-12-02
Abstract
No abstract record available.
Inventors
- 👤 Aronberg Lester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:37
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A PROTECTIVE COATING COMPOSITION, HAVING GOOD SURFACE ADHERENCE CHARACTERISTICS AND BEING RESISTANT TO ELEVATED TEMPERATURES, COMPRISING, IN ADMIXTURE, AN ORGANIC FILM-FORMING MATERIAL AND ANHYDROUS LEAD METABORATE, THE AMOUNT OF LEAD METEBORATE EXCEEDING THAT OF THE ORGANIC FILMFORMING MATERIAL THE SAID RELATIVELY HIGH PROPORTION OF LEAD METABORATE FUNCTIONING TO FORM IN ITSELF SUBSTANTIALLY A CONTINOUS BOND AND PROTECTIVE FILM, WHEN THE COATING COMPRISING THE SAME HAS BEEN SUBJECTED TO A SUFFICIENTLY HIGH TEMPERATURE TO VOLATILIZE AND CARBONIZE THE FILMFORMING MATERIAL.
Claim 2
Dependent Claim
79 words
A PROTECTIVE COATING COMPOSITION, HAVING GOOD SURFACE ADHERENCE CHARACTERISTICS AND BEING RESISTANT TO ELEVATED TEMPERATURES, COMPRISING, IN ADMIXTURE, AN ORGANIC FILM-FORMING MATERIAL AND ANHYDROUS LEAD METABORATE, THE AMOUNT OF LEAD METEBORATE EXCEEDING THAT OF THE ORGANIC FILMFORMING MATERIAL THE SAID RELATIVELY HIGH PROPORTION OF LEAD METABORATE FUNCTIONING TO FORM IN ITSELF SUBSTANTIALLY A CONTINOUS BOND AND PROTECTIVE FILM, WHEN THE COATING COMPRISING THE SAME HAS BEEN SUBJECTED TO A SUFFICIENTLY HIGH TEMPERATURE TO VOLATILIZE AND CARBONIZE THE FILMFORMING MATERIAL.
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) | 1953-05-08 | 1953-11-07 | 1954-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-08 | 1957-11-07 | 1958-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-08 | 1961-11-07 | 1962-05-09 | $7700.00 | Window Closed / Lapsed |