Patent US3384983A successfully refreshed from Google Patents.
US3384983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color apparatus and system
Assignee: Valspar Corp
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Filing: 1966-05-06
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Granted: 1968-05-28
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Expires: 1986-05-06
Abstract
No abstract record available.
Inventors
- 👤 Walter H Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:19
CPC Classifications
G; G01; G01J; G01J3/00; G01J3/46; G01J3/52; G01J3/522
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A COLOR CHART COMPRISING A SHEET MEMBER HAVING ONE GROUP OF COLOR CHIPS HAVING A GENERALLY EQUAL WHITE CONTENT AND ARRANGED IN AN ORDERLY MANNER ACCORDING TO SATURATION, ONE CHIP HAVING A MEASURED QUANTITY OF COLORANT, A SECOND CHIP HAVING A PORTION OF THE COLORANT REPLACED BY BLACK TO PRODUCE A SHADE OF THE ONE CHIP, AT LEAST ONE OTHER CHIP HAVING A DIFFERENT PORTION OF THE COLORANT REPLACED BY BLACK TO PRODUCE A DIFFERENT SHADE OF THE ONE CHIP, AND EACH OF THE SHADED CHIPS HAVING AN AMOUNT OF COLORANT PLUS BLACK GENERALLY EQUAL TO THE QUANTITY OF COLORANT IN THE ONE CHIP.
Claim 2
Dependent Claim
104 words
A COLOR CHART COMPRISING A SHEET MEMBER HAVING ONE GROUP OF COLOR CHIPS HAVING A GENERALLY EQUAL WHITE CONTENT AND ARRANGED IN AN ORDERLY MANNER ACCORDING TO SATURATION, ONE CHIP HAVING A MEASURED QUANTITY OF COLORANT, A SECOND CHIP HAVING A PORTION OF THE COLORANT REPLACED BY BLACK TO PRODUCE A SHADE OF THE ONE CHIP, AT LEAST ONE OTHER CHIP HAVING A DIFFERENT PORTION OF THE COLORANT REPLACED BY BLACK TO PRODUCE A DIFFERENT SHADE OF THE ONE CHIP, AND EACH OF THE SHADED CHIPS HAVING AN AMOUNT OF COLORANT PLUS BLACK GENERALLY EQUAL TO THE QUANTITY OF COLORANT IN THE ONE CHIP.
References Cited (Backward Citations)
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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) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |