US2570856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for obtaining pigmented films
Assignee: EIDP Inc
•
Filing: 1947-03-25
•
Granted: 1951-10-09
•
Expires: 1967-03-25
Abstract
No abstract record available.
Inventors
- 👤 Pratt Burt Carlton
- 👤 Paul L Salzberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:12
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/36; B; B05; B05D; B05D3/00; B05D3/20; B05D3/207; C08; C08J; C08J5/00; C08J5/18; C09D7/00; C09D7/40; C09D7/60; C09D7/61; C09D7/70; C08K; C08K3/00; C08K3/02; C08K3/08; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24058; Y10T428/25; Y10T428/256
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A METAL-PIGMENTED FILM COMPRISING A FILMFORMING BINDER AND FROM 0.1% TO 95%, BY WEIGHT OF SAID BINDER, OF METAL PIGMENT PARTICLES, AT LEAST 50% OF SAID METAL PARTICLES BEING IN FLAKE FORM AND AT LEAST 10% OF SAID METAL PARTICLES BEING FERROMAGNETIC, SAID METAL PARTICLES IN FLAKE
Claim 2
Dependent Claim
47 words
A METAL-PIGMENTED FILM COMPRISING A FILMFORMING BINDER AND FROM 0.1% TO 95%, BY WEIGHT OF SAID BINDER, OF METAL PIGMENT PARTICLES, AT LEAST 50% OF SAID METAL PARTICLES BEING IN FLAKE FORM AND AT LEAST 10% OF SAID METAL PARTICLES BEING FERROMAGNETIC, SAID METAL PARTICLES IN FLAKE
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-08 | 1955-04-09 | 1955-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-08 | 1959-04-09 | 1959-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-08 | 1963-04-09 | 1963-10-09 | $7700.00 | Window Closed / Lapsed |