Patent US810353A successfully refreshed from Google Patents.
Patent US2630002A successfully refreshed from Google Patents.
US2630002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic device for mixing and feeding dyestuff to dyeing apparatus
Assignee: Individual
•
Filing: 1948-10-14
•
Granted: 1953-03-03
•
Expires: 1968-10-14
Abstract
No abstract record available.
Inventors
- 👤 Converse Sherman
- 👤 Calvin M Mckeown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:12
CPC Classifications
D; D06; D06B; D06B23/00; D06B23/20; D06B23/205; D06B5/00; D06B2700/00; D06B2700/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
APPARATUS FOR DYEING CLOTH HAVING A DYE STORAGE TANK, A DYE REDUCING TANK AND A HOPPER ADAPTED TO HOLD GRANULAR SODIUM HYDROSULPHITE, MEANS AUTOMATICALLY CONTROLLED BY THE LEVEL IN THE DYE REDUCING TANK FOR FEEDING THE DYE FROM THE STORAGE TANK TO THE DYE REDUCING TANK AND ALSO FOR AUTOMATICALLY FEEDING THE GRANULAR SODIUM HYDRSULPHITE FROM THE HOPPER TO THE REDUCING TANK IN DIRECT PROPORTION TO THE AMOUNT OF DYESTUFF FED FROM THE STORAGE TANK TO THE REDUCING TANK, A PAD BOX, MEANS AUTOMATICALLY CONTROLLED BY THE LEVEL OF THE DYESTUFF IN THE PAD BOX FOR FEEDING THE DYESTUFF FROM THE REDUCING TANK TO THE PAD BOX, A PAIR OF SQUEEZE ROLLS DISPOSED ABOVE THE PAD BOX AND AUTOMATIC MEANS FOR
Claim 2
Dependent Claim
121 words
APPARATUS FOR DYEING CLOTH HAVING A DYE STORAGE TANK, A DYE REDUCING TANK AND A HOPPER ADAPTED TO HOLD GRANULAR SODIUM HYDROSULPHITE, MEANS AUTOMATICALLY CONTROLLED BY THE LEVEL IN THE DYE REDUCING TANK FOR FEEDING THE DYE FROM THE STORAGE TANK TO THE DYE REDUCING TANK AND ALSO FOR AUTOMATICALLY FEEDING THE GRANULAR SODIUM HYDRSULPHITE FROM THE HOPPER TO THE REDUCING TANK IN DIRECT PROPORTION TO THE AMOUNT OF DYESTUFF FED FROM THE STORAGE TANK TO THE REDUCING TANK, A PAD BOX, MEANS AUTOMATICALLY CONTROLLED BY THE LEVEL OF THE DYESTUFF IN THE PAD BOX FOR FEEDING THE DYESTUFF FROM THE REDUCING TANK TO THE PAD BOX, A PAIR OF SQUEEZE ROLLS DISPOSED ABOVE THE PAD BOX AND AUTOMATIC MEANS FOR
References Cited (Backward Citations)
US446050A
Cited
US681586A
Cited
US1002635A
Cited
US1535152A
Cited
US1652649A
Cited
US1978536A
Cited
US1971627A
Cited
US2189914A
Cited
US2197011A
Cited
US2235336A
Cited
US2221780A
Cited
US2351579A
Cited
US2447993A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |