US3320085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Galvanizing
Assignee: Selas Corp of America
•
Filing: 1965-03-19
•
Granted: 1967-05-16
•
Expires: 1985-03-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles A Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:31
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/52; C21D9/54; C21D9/56; C21D9/561; C23; C23C; C23C2/00; C23C2/003; C23C2/0035; C23C2/0038; C23C2/02; C23C2/022; C23C2/0222; C23C2/024; C23C2/04; C23C2/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
THE METHOD OF COATING AN ELONGATED LENGTH OF STEEL HAVING A SLIGHT OXIDE ON ITS SURFACE WHICH COMPRISES HEATING A FURNACE BY DIRECT COMBUSTION OF FUEL AND AIR THEREIN TO A TEMPERATUE AT LEAST 2400*F. AND WITH AN ATMOSPHERE OF GAEOUS PRODUCTS OF COMBUSTION HAVING NO FREE OXYGEN AND AT LEAST 3% COMBUSTIBLES, AND PROVIDING A COATING BATH TO MLTEN ZINC MAINTAINED AT COATING TEMPERATURE, MOVING THE LENGTH OF STEEL THAT IS FREE OF SCALE AND GREASE OR OIL INTO AND THROUGH THE PRODUCTS OF COM-
Claim 2
Independent Claim
86 words
THE METHOD OF COATING AN ELONGATED LENGTH OF STEEL HAVING A SLIGHT OXIDE ON ITS SURFACE WHICH COMPRISES HEATING A FURNACE BY DIRECT COMBUSTION OF FUEL AND AIR THEREIN TO A TEMPERATUE AT LEAST 2400*F. AND WITH AN ATMOSPHERE OF GAEOUS PRODUCTS OF COMBUSTION HAVING NO FREE OXYGEN AND AT LEAST 3% COMBUSTIBLES, AND PROVIDING A COATING BATH TO MLTEN ZINC MAINTAINED AT COATING TEMPERATURE, MOVING THE LENGTH OF STEEL THAT IS FREE OF SCALE AND GREASE OR OIL INTO AND THROUGH THE PRODUCTS OF COM-
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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) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |