US2831332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile treating apparatus with solvent recovery means
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1955-02-18
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Granted: 1958-04-22
•
Expires: 1975-02-18
Abstract
No abstract record available.
Inventors
- 👤 Ross Herbert John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:01
CPC Classifications
D; D06; D06B; D06B9/00; D06B9/06; Y; Y02; Y02P; Y02P70/00; Y02P70/50; Y02P70/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
SOLVENT RECOVERY APPARATUS COMPRISING A CLOSED CHAMBER HAVING A LOWER LIQUID RETAINING SECTION AT THE BOTTOM THEREOF AND A VAPOR THEREABOVE, HEATING MEANS IN THE LIQUID RETAINING SECTION OF SAID CHAMBER, A CLOSED INLET SEALING COMPARTMENT MOUNTED ON ONE SIDE WALL OF SAID CHAMBER, SAID WALL HAVING AN INLET OPENING PROVIDING COMMUNICATION BETWEEN THE TOP OF SAID INLET SEALING COMPARTMENT AND THE VAPOR SECTION OF SAID CHAMBER, A DOWNWARDLY DIRECTED INLET DUCT EXTENDING THROUGH THE TOP OF SAID INLET SEALING COMPARTMENT AND TERMINATING THEREIN AT A LEVEL BELOW THE LEVEL OF SAID INLET OPENING, A CLOSED OUTLET SEALING COMPARTMENT MOUNTED ON THE OPPOSITE WALL OF SAID CHAMBER, SAID OPPOSITE WALL HAVING AN OUTLET OPENING PROVIDING COMMUNICATION BETWEEN THE
Claim 2
Dependent Claim
118 words
SOLVENT RECOVERY APPARATUS COMPRISING A CLOSED CHAMBER HAVING A LOWER LIQUID RETAINING SECTION AT THE BOTTOM THEREOF AND A VAPOR THEREABOVE, HEATING MEANS IN THE LIQUID RETAINING SECTION OF SAID CHAMBER, A CLOSED INLET SEALING COMPARTMENT MOUNTED ON ONE SIDE WALL OF SAID CHAMBER, SAID WALL HAVING AN INLET OPENING PROVIDING COMMUNICATION BETWEEN THE TOP OF SAID INLET SEALING COMPARTMENT AND THE VAPOR SECTION OF SAID CHAMBER, A DOWNWARDLY DIRECTED INLET DUCT EXTENDING THROUGH THE TOP OF SAID INLET SEALING COMPARTMENT AND TERMINATING THEREIN AT A LEVEL BELOW THE LEVEL OF SAID INLET OPENING, A CLOSED OUTLET SEALING COMPARTMENT MOUNTED ON THE OPPOSITE WALL OF SAID CHAMBER, SAID OPPOSITE WALL HAVING AN OUTLET OPENING PROVIDING COMMUNICATION BETWEEN THE
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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) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |