US2916833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color guide and harmony selector
Assignee: Individual
•
Filing: 1956-11-23
•
Granted: 1959-12-15
•
Expires: 1976-11-23
Abstract
No abstract record available.
Inventors
- 👤 Salvo Beatrix Gross Di
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:28
CPC Classifications
G; G01; G01J; G01J3/00; G01J3/46; G01J3/52; G01J3/526; G01J3/528; G01J3/522
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1327005A
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US974924A
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FR686714A
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US1840208A
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US1964260A
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US1964586A
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US2229025A
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US2238316A
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US2629185A
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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) | 1962-12-14 | 1963-06-15 | 1963-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-14 | 1967-06-15 | 1967-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-14 | 1971-06-15 | 1971-12-15 | $7700.00 | Window Closed / Lapsed |