US2851370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pearlescent type coating composition
Assignee: Sherwin Williams Co
•
Filing: 1953-10-28
•
Granted: 1958-09-09
•
Expires: 1973-10-28
Abstract
No abstract record available.
Inventors
- 👤 Robert E Blank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:13
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/36; C09C; C09C1/00; C09C1/0015; C09C1/0018
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A PEARLESCENT COATING COMPOSITION COMPRISING A WATET-INSOLUBLE FILM-FORMING LACQUER AND MICA HAVING A PARTICLE SIZE RANGING FROM 1 TO 100 MICRONS, IN WHICH COMPOSITION THE PEARLESCENT PIGMENT TO BINDER RATIO BY WEIGHT IS FROM ABOUT 3:1 TO ABOUT 7:1.
Claim 2
Dependent Claim
39 words
A PEARLESCENT COATING COMPOSITION COMPRISING A WATET-INSOLUBLE FILM-FORMING LACQUER AND MICA HAVING A PARTICLE SIZE RANGING FROM 1 TO 100 MICRONS, IN WHICH COMPOSITION THE PEARLESCENT PIGMENT TO BINDER RATIO BY WEIGHT IS FROM ABOUT 3:1 TO ABOUT 7:1.
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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) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |