US3048503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pickling apparatus and method
Assignee: Crucible Steel Company of America
•
Filing: 1958-06-19
•
Granted: 1962-08-07
•
Expires: 1978-06-19
Abstract
No abstract record available.
Inventors
- 👤 Donald S Foote
- 👤 Flowers Ab
- 👤 John P Hubbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:01
CPC Classifications
C; C23; C23G; C23G1/00; C23G1/36; C23G1/02; C23G1/10; C23G1/106; C23G3/00; C23G3/02; C23G3/021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A PROCESS FOR PICKING ELONGATED METALLIC SECTIONS COMPRISING ADVANCING A SECTION THROUGH AN ENCLOSED PICKING ZONE, CIRCULATING A STREAM OF ACIDIC PICKING FLUID AT A PREDETERMINED RATE FROM AN ENCLOSED STORAGE ZONE THROUGH SAID PICKING ZONE COUNTERCURRENTLY TO THE TRAVEL OF SAID SECTION, SAID STREAM BEING INTRODUCED AT POINTS ABOVE SAID BELOW THE PATHWAY OF TRAVEL OF SAID SECTION, SAID FLUID COMPRISING A SOLVENT AND A VOLATILE SOLUTE, COLLECTING GASEOUS PORTIONS OF SAID FLUID VOLATILIZED WITHIN
Claim 2
Dependent Claim
76 words
A PROCESS FOR PICKING ELONGATED METALLIC SECTIONS COMPRISING ADVANCING A SECTION THROUGH AN ENCLOSED PICKING ZONE, CIRCULATING A STREAM OF ACIDIC PICKING FLUID AT A PREDETERMINED RATE FROM AN ENCLOSED STORAGE ZONE THROUGH SAID PICKING ZONE COUNTERCURRENTLY TO THE TRAVEL OF SAID SECTION, SAID STREAM BEING INTRODUCED AT POINTS ABOVE SAID BELOW THE PATHWAY OF TRAVEL OF SAID SECTION, SAID FLUID COMPRISING A SOLVENT AND A VOLATILE SOLUTE, COLLECTING GASEOUS PORTIONS OF SAID FLUID VOLATILIZED WITHIN
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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) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |