Patent US2606155A successfully refreshed from Google Patents.
US2606155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning and pickling composition for metals
Assignee: Beazer East Inc
•
Filing: 1946-11-26
•
Granted: 1952-08-05
•
Expires: 1966-11-26
Abstract
No abstract record available.
Inventors
- 👤 William H Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:14
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/04; C23G; C23G1/00; C23G1/02; C23G1/04; C23G1/06; C23G1/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A CLEANING THE PICKLING COMPOSITION FOR METAL SUBJECT TO ATMOSPHERIC CORROSION AND FOR REMOVING OXIDES AND OTHER CORROSION PRODUCTS FROM SURFACES OF SAID METAL, SAID COMPOSITION COMPRISING A PICKLING ACID SOLUTION HAVING DISSOLVED THEREIN A RELATIVELY SMALL PROPORTION OF A REACTION PRODUCT OF AN ALDEHYDE AND A PREFORMED THIOCYANATE OF A BASIC AMINO COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
57 words
A CLEANING THE PICKLING COMPOSITION FOR METAL SUBJECT TO ATMOSPHERIC CORROSION AND FOR REMOVING OXIDES AND OTHER CORROSION PRODUCTS FROM SURFACES OF SAID METAL, SAID COMPOSITION COMPRISING A PICKLING ACID SOLUTION HAVING DISSOLVED THEREIN A RELATIVELY SMALL PROPORTION OF A REACTION PRODUCT OF AN ALDEHYDE AND A PREFORMED THIOCYANATE OF A BASIC AMINO COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
US1780636A
Cited
US2053850A
Cited
US2165852A
Cited
GB534698A
Cited
US2287756A
Cited
US2335452A
Cited
US2217667A
Cited
US2345456A
Cited
US2325105A
Cited
US2368451A
Cited
US2425320A
Cited
US2412984A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-05 | 1956-02-04 | 1956-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-05 | 1960-02-04 | 1960-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-05 | 1964-02-04 | 1964-08-05 | $7700.00 | Window Closed / Lapsed |