US3467642A
Expired / Lapsed
US
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Method for making chromogen-bonded-pluorescent-bonded-polymers
Assignee: Individual
•
Filing: 1965-12-28
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Granted: 1969-09-16
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Expires: 1985-12-28
Abstract
No abstract record available.
Inventors
- 👤 Shojiro Horiguchi
- 👤 Michiei Nakamura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:24
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/0056; D06P1/006; B; B01; B01F; B01F25/00; B01F25/70; B01F25/74; B01F25/742; C; C08; C08F; C08F2/00; C08F2/44; C08F4/00; C08F8/00; C09; C09B; C09B68/00; C09B68/20; C09B68/24; C09B69/00; C09B69/10; C09K; C09K11/00; C09K11/06; D06L; D06L4/00; D06L4/60; D06L4/664
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) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |