US2905522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for treating web and/or strand material
Assignee: Individual
•
Filing: 1954-04-22
•
Granted: 1959-09-22
•
Expires: 1974-04-22
Abstract
No abstract record available.
Inventors
- 👤 Victor T Fahringer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:25
CPC Classifications
D; D06; D06B; D06B3/00; D06B3/10; D06B2700/00; D06B2700/09; Y; Y10; Y10S; Y10S8/00; Y10S8/04; Y10S8/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A METHOD OF TREATING A CONTINUOUSLY MOVING MATERIAL WHICH INCLUDES SUCCESSIVELY PASSING THE MATERIAL THROUGH A SUPPLY OF TREATING SOLUTION OPEN TO THE ATMOSPHERE, THROUGH A SUPERATMOSPHERIC PRESSURE ZONE SUBMERGED IN THE SUPPLY OF TREATING SOLUTION AND AGAIN THROUGH THE TREATING SOLUTION AND OUT OF THE TREATING SOLUTION WHILE INJECTING STEAM THROUGH THE SUPPLY OF TREATING SOLUTION EXTERIORLY OF THE PRESSURE ZONE AND INTO THE PRESSURE ZONE WHILE CARRYING THE TREATING SOLUTION THEREWITH AND THEREBY FEEDING THE TREATING SOLUTION INTO THE PRESSURE ZONE WHILE MAINTAINING THE INTERIOR OF THE PRESSURE ZONE AT A HIGHER TEMPERATURE THAN THAT OF THE SOLUTION SURROUNDING THE SAME.
Claim 2
Independent Claim
103 words
A METHOD OF TREATING A CONTINUOUSLY MOVING MATERIAL WHICH INCLUDES SUCCESSIVELY PASSING THE MATERIAL THROUGH A SUPPLY OF TREATING SOLUTION OPEN TO THE ATMOSPHERE, THROUGH A SUPERATMOSPHERIC PRESSURE ZONE SUBMERGED IN THE SUPPLY OF TREATING SOLUTION AND AGAIN THROUGH THE TREATING SOLUTION AND OUT OF THE TREATING SOLUTION WHILE INJECTING STEAM THROUGH THE SUPPLY OF TREATING SOLUTION EXTERIORLY OF THE PRESSURE ZONE AND INTO THE PRESSURE ZONE WHILE CARRYING THE TREATING SOLUTION THEREWITH AND THEREBY FEEDING THE TREATING SOLUTION INTO THE PRESSURE ZONE WHILE MAINTAINING THE INTERIOR OF THE PRESSURE ZONE AT A HIGHER TEMPERATURE THAN THAT OF THE SOLUTION SURROUNDING THE SAME.
References Cited (Backward Citations)
US2029985A
Cited
US2170579A
Cited
GB546648A
Cited
US2522071A
Cited
US2387200A
Cited
US2441991A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |