Patent US3476500A successfully refreshed from Google Patents.
US3476500A
Expired / Lapsed
US
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Concentrated colorants
Assignee: Honeywell International Inc
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Filing: 1965-08-09
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Granted: 1969-11-04
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Expires: 1985-08-09
Abstract
No abstract record available.
Inventors
- 👤 Alvin C Litke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:42
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/003; C09; C09B; C09B31/00; C09B31/02; C09B31/06; C09B31/068; C10M; C10M171/00; C10M171/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |