US2935420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating metals
Assignee: Individual
•
Filing: 1958-02-17
•
Granted: 1960-05-03
•
Expires: 1978-02-17
Abstract
No abstract record available.
Inventors
- 👤 Herbert E Linden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:16
CPC Classifications
B; B05; B05D; B05D1/00; B05D1/18; B05D1/20; C; C23; C23C; C23C2/00; C23C2/003; C23C2/0034; C23C2/00342; C23C2/00344; C23C2/0036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A METHOD OF COATING A BASE METAL WITH A MOLTEN COATING SUBSTANCE WHICH INCLUDES THE STEPS OF: PLACING A COATING SUBSTANCE ON AT LEAST A PORTION OF THE SURFACE OF A PACKED BED FINELY DIVIDED HEAT-RESISTANT GRANDULAR SOLIDS, SAID COATING SUBSTANCE FLOATING ON SAID PACKED BED, HEATING SAID PACKED BED TO A TEMPERATURE AT LEAST EQUAL TO THE MELTING POINT OF SAID COATING SUBSTANCE, SAID COATING SUBSTANCE BEING MELTED BY HEAT TRANSFERRED FROM SAID PACKED BED TO SAID OVERLYING COATING METAL, PASSING SAID METAL TO BE COATED INTO AND THROUGH SAID HEATED PACKED BED TO THEREBY CAUSE SAID BASE METAL TO BE HEATED, AND PASSING SAID HEATED METAL FROM SAID BED OF GRANULAR SOLIDS DIRECTLY, WITHOUT ANY INTERVENING OXIDATION, INTO SAID MOLTEN COATING SUBSTANCE TO BE THEREBY COATED.
Claim 2
Independent Claim
128 words
A METHOD OF COATING A BASE METAL WITH A MOLTEN COATING SUBSTANCE WHICH INCLUDES THE STEPS OF: PLACING A COATING SUBSTANCE ON AT LEAST A PORTION OF THE SURFACE OF A PACKED BED FINELY DIVIDED HEAT-RESISTANT GRANDULAR SOLIDS, SAID COATING SUBSTANCE FLOATING ON SAID PACKED BED, HEATING SAID PACKED BED TO A TEMPERATURE AT LEAST EQUAL TO THE MELTING POINT OF SAID COATING SUBSTANCE, SAID COATING SUBSTANCE BEING MELTED BY HEAT TRANSFERRED FROM SAID PACKED BED TO SAID OVERLYING COATING METAL, PASSING SAID METAL TO BE COATED INTO AND THROUGH SAID HEATED PACKED BED TO THEREBY CAUSE SAID BASE METAL TO BE HEATED, AND PASSING SAID HEATED METAL FROM SAID BED OF GRANULAR SOLIDS DIRECTLY, WITHOUT ANY INTERVENING OXIDATION, INTO SAID MOLTEN COATING SUBSTANCE TO BE THEREBY COATED.
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) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |