Patent US3042435A successfully refreshed from Google Patents.
Patent US3112633A successfully refreshed from Google Patents.
US3112633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyeing machine for producing variegated yarn
Assignee: Individual
•
Filing: 1960-10-31
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Granted: 1963-12-03
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Expires: 1980-10-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Herbert W Wilkinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:02
CPC Classifications
D; D06; D06B; D06B11/00; D06B11/0009; D06B5/00; D06B5/12; D06B5/26
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
73 words
A CENTRIFUGAL BASKET COMPRISING, A SHELL OF APPROXIMATELY CYLINDRICAL FORM AND HAVING A BOTTOM, A FALSE BOTTOM FOR SAID SHELL COMPRISING A CIRCULAR GRATE DISPOSED UPWARDLY OF THE BOTTOM OF SAID SHELL AND FIXED TO THE INNER VERTICAL WALL OF SAID SHELL, CONTROL MEANS FOR PERMANENTLY CONTROLLING THE DEPTH OF A WALL OF CENTRIFUGED TREATMENT LIQUID WITHIN SAID SHELL UPON THE ROTATION THEREOF, AND BLEEDER MEANS FOR EXTRACTING EXCESS LIQUID FROM SAID SHELL.
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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) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |