US2978355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for coating metals
Assignee: Individual
•
Filing: 1957-11-19
•
Granted: 1961-04-04
•
Expires: 1977-11-19
Abstract
No abstract record available.
Inventors
- 👤 Busch Andreas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:26
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/14; C23C2/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
THE PROCESS OF METALLIZING A METAL STRIP, INCLUDING STEEL STRIP, BY MEANS OF HOT DIPPING, COMPRISING THE STEPS OF PREHEATING SAID STRIP, CONTACTING SAID STRIP WITH FLUX MEANS, PASSING SAID STRIP THROUGH A BATH OF METALLIC MELT, THEN FEEDING SAID STRIP BETWEEN SQUEEZING ROLLERS AT A LOCATION OUT OF CONTACT WITH SAID MELT AND IN THE PRESENCE OF AN INERT PROTECTIVE GASEOUS MEDIUM, TO RID SAID STRIP OF SURPLUS METAL, AND SIMULTANEOUSLY SUPPLYING
Claim 2
Dependent Claim
73 words
THE PROCESS OF METALLIZING A METAL STRIP, INCLUDING STEEL STRIP, BY MEANS OF HOT DIPPING, COMPRISING THE STEPS OF PREHEATING SAID STRIP, CONTACTING SAID STRIP WITH FLUX MEANS, PASSING SAID STRIP THROUGH A BATH OF METALLIC MELT, THEN FEEDING SAID STRIP BETWEEN SQUEEZING ROLLERS AT A LOCATION OUT OF CONTACT WITH SAID MELT AND IN THE PRESENCE OF AN INERT PROTECTIVE GASEOUS MEDIUM, TO RID SAID STRIP OF SURPLUS METAL, AND SIMULTANEOUSLY SUPPLYING
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) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |