US2799358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recovery of pigments under pressure
Assignee: Godfrey L Cabot Inc
•
Filing: 1955-12-22
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Granted: 1957-07-16
•
Expires: 1975-12-22
Abstract
No abstract record available.
Inventors
- 👤 John M Bradley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:22
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/487
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A PROCESS FOR RECOVERING FINELY-DIVIDED PIGMENTS FROM A GASEOUS SUSPENSION THEREOF IN A SYSTEM OF ELEVATED PRESSURE WHICH CONPRISES, SEPARATING THE PIGMENT FROM THE GASES IN WHICH SUSPENDED, ACCUMULATING THE PIGMENT WHILE STILL UNDER THE PRESSURE OF THE SYSTEM, STIRRING THE ACCUMULATED PIGMENT AND FLUSHING SAME WITH A GAS
Claim 2
Dependent Claim
49 words
A PROCESS FOR RECOVERING FINELY-DIVIDED PIGMENTS FROM A GASEOUS SUSPENSION THEREOF IN A SYSTEM OF ELEVATED PRESSURE WHICH CONPRISES, SEPARATING THE PIGMENT FROM THE GASES IN WHICH SUSPENDED, ACCUMULATING THE PIGMENT WHILE STILL UNDER THE PRESSURE OF THE SYSTEM, STIRRING THE ACCUMULATED PIGMENT AND FLUSHING SAME WITH A GAS
References Cited (Backward Citations)
US2717658A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-15 | 1961-01-14 | 1961-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-15 | 1965-01-14 | 1965-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-15 | 1969-01-14 | 1969-07-16 | $7700.00 | Window Closed / Lapsed |