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
2026-11-01 03:28
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
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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) | 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 |