US3042548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyester resinous coating for spectacle temple bars
Assignee: Bausch and Lomb Inc
•
Filing: 1959-04-29
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Granted: 1962-07-03
•
Expires: 1979-04-29
Abstract
No abstract record available.
Inventors
- 👤 James P Aikens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:57
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/14; B05D7/16; C; C09; C09D; C09D167/00; C09D167/06; G; G02; G02C; G02C5/00; G02C5/14; G02C5/143; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2927; Y10T428/2933; Y10T428/294; Y10T428/296; Y10T428/298
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
THE METHOD OF FORMING A HARD BUT FLEXIBLE RESINOUS COATING ON SPECTACLE TEMPLE BARS OF ALUMIUM METAL WHICH COMPRISES THE STEPS OF MIXING A FINELY DIVIDED THIXOTROPIC RENDERING AGENT WITH A POLYMERIZABLE LINEAR UNSATURRATED POLYESTER RESIN AND A MINOR AMOUNT OF COPOLYMERIZABLE AROMATIC VINYL CROSS LINKING MONOMER IN THE PROPORTION OF ABOUT 0.5 TO 10% BY WEIGHT OF THE POLYESTER RESIN AND MONOMER, AGITATING THE RESULTING MIXTURE TO DISPERSE THE THIXOTROPIC RENDERING AGENT THEREIN IN SUBSTANTIALLY UNIFORM MANNER TO FORM A THIXOMOTROPIC MIXTURE WHICH EXHABITS LIGUID COATING CHARACTERISTICS WHEN A METAL TEMPLE BAR IS DIPPED THEREIN, COOLING THE THIXOTROPIC MIXTURE TO A TEMPERATURE OF AT LEAST 35*F., AND THEN DIPPING AT LEAST ONE ALUMINUM METAL TEMPLE BAR INTO THE PREPARED COMPOSITION, WITHDRAWING THE TEMPLE BAR FROM THE SAID COMPOSITION AND THEN CURING THE RESIN TO FORM A HARD BUT FLEXIBLE COATING OF FLEXURAL SDTRENGHT BETWEEN ABOUT 1800 AND 17,500 P.S.I. WHICH IS CAPABLE OF WITHSTANDING BENDING MANIPULATION WITHOUT CRAZING OR CRACKING.
Claim 2
Independent Claim
161 words
THE METHOD OF FORMING A HARD BUT FLEXIBLE RESINOUS COATING ON SPECTACLE TEMPLE BARS OF ALUMIUM METAL WHICH COMPRISES THE STEPS OF MIXING A FINELY DIVIDED THIXOTROPIC RENDERING AGENT WITH A POLYMERIZABLE LINEAR UNSATURRATED POLYESTER RESIN AND A MINOR AMOUNT OF COPOLYMERIZABLE AROMATIC VINYL CROSS LINKING MONOMER IN THE PROPORTION OF ABOUT 0.5 TO 10% BY WEIGHT OF THE POLYESTER RESIN AND MONOMER, AGITATING THE RESULTING MIXTURE TO DISPERSE THE THIXOTROPIC RENDERING AGENT THEREIN IN SUBSTANTIALLY UNIFORM MANNER TO FORM A THIXOMOTROPIC MIXTURE WHICH EXHABITS LIGUID COATING CHARACTERISTICS WHEN A METAL TEMPLE BAR IS DIPPED THEREIN, COOLING THE THIXOTROPIC MIXTURE TO A TEMPERATURE OF AT LEAST 35*F., AND THEN DIPPING AT LEAST ONE ALUMINUM METAL TEMPLE BAR INTO THE PREPARED COMPOSITION, WITHDRAWING THE TEMPLE BAR FROM THE SAID COMPOSITION AND THEN CURING THE RESIN TO FORM A HARD BUT FLEXIBLE COATING OF FLEXURAL SDTRENGHT BETWEEN ABOUT 1800 AND 17,500 P.S.I. WHICH IS CAPABLE OF WITHSTANDING BENDING MANIPULATION WITHOUT CRAZING OR CRACKING.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |