Patent US1371854A successfully refreshed from Google Patents.
Patent US3375776A successfully refreshed from Google Patents.
US3375776A
Expired / Lapsed
US
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Disintegrating material in a liquid carrier and separating the same
Assignee: Individual
•
Filing: 1965-07-01
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Granted: 1968-04-02
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Expires: 1985-07-01
Abstract
No abstract record available.
Inventors
- 👤 Howard W Dyson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:53
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/02; B30B9/12; B30B9/128; B02; B02C; B02C18/00; B02C18/0084; B02C18/0092
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3126818A
Cited
US2970776A
Cited
US3191872A
Cited
US3062129A
Cited
US3164329A
Cited
US3188942A
Cited
US3176606A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |