Patent US2533048A successfully refreshed from Google Patents.
US2533048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of hot dip tinning
Assignee: Tennessee Coal Iron and Railroad Co
•
Filing: 1947-07-30
•
Granted: 1950-12-05
•
Expires: 1967-07-30
Abstract
No abstract record available.
Inventors
- 👤 Howard C Rodgers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:24
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/04; C23C2/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
THE PROCESS OF HOT DIP TINNING OF FERROUS METAL SHEETS WHICH COMPRISES PASSING THE SHEETS THROUGH A PICKLING SOLUTION HAVING A PICKLING INHIBITOR THEREIN, REMOVING THE SHEETS IN A WETTED CONDITION FROM THE SOLUTION WITH PICKLING SOLUTION AND INHIBITOR THEREON, PASSING THE WETTED SHEETS WITH INHIBITOR THEREON THROUGH TINNING FLUX FLOATING ON THE TIN DIRECTLY INTO THE TIN, AND APPLYING TIN TO THE SHEETS.
Claim 2
Dependent Claim
64 words
THE PROCESS OF HOT DIP TINNING OF FERROUS METAL SHEETS WHICH COMPRISES PASSING THE SHEETS THROUGH A PICKLING SOLUTION HAVING A PICKLING INHIBITOR THEREIN, REMOVING THE SHEETS IN A WETTED CONDITION FROM THE SOLUTION WITH PICKLING SOLUTION AND INHIBITOR THEREON, PASSING THE WETTED SHEETS WITH INHIBITOR THEREON THROUGH TINNING FLUX FLOATING ON THE TIN DIRECTLY INTO THE TIN, AND APPLYING TIN TO THE SHEETS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |