US3194658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabrication of corrosion resistant iron strip
Assignee: Alloys Research and Manufacturing Corp
•
Filing: 1963-03-05
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Granted: 1965-07-13
•
Expires: 1983-03-05
Abstract
No abstract record available.
Inventors
- 👤 Storchheim Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:05
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
THE METHOD OF FORMING SOLID, IRON-BASED STRIP CONPRISING PASSING IRON-BASED PARTICLES THROUGH A HEATING ZONE TO EFFECT AGGLOMERATION OF THE PARTICLES TO FORM HOT SINTERCAKE, CONVEYING SAID SINTER-CAKE THROUGH A HOT ROLLING ZONE TO DENSIFY SAID CAKE INTO A SOLID SHAPE AND TREATING SAID IRON-BASED PARTICLES BEFORE THEY ENTER THE HOT-ROLLING ZONE WITH STEAM AT A TEMPERATURE AND FOR A PERIOD SUFFICIENT TO FORM A VAPOUR-IMPERVIOUS MAGNETIC OXIDE SKIN THEREON WHICH IS RUPTURED IN HOT ROLLING AT THE GRAIN BOUNDARIES WHEREBY IN THE RESULTANT STRIP THERE IS A CELLULAR PROTECTIVE NETWORK OF SAID OXIDE.
Claim 2
Independent Claim
94 words
THE METHOD OF FORMING SOLID, IRON-BASED STRIP CONPRISING PASSING IRON-BASED PARTICLES THROUGH A HEATING ZONE TO EFFECT AGGLOMERATION OF THE PARTICLES TO FORM HOT SINTERCAKE, CONVEYING SAID SINTER-CAKE THROUGH A HOT ROLLING ZONE TO DENSIFY SAID CAKE INTO A SOLID SHAPE AND TREATING SAID IRON-BASED PARTICLES BEFORE THEY ENTER THE HOT-ROLLING ZONE WITH STEAM AT A TEMPERATURE AND FOR A PERIOD SUFFICIENT TO FORM A VAPOUR-IMPERVIOUS MAGNETIC OXIDE SKIN THEREON WHICH IS RUPTURED IN HOT ROLLING AT THE GRAIN BOUNDARIES WHEREBY IN THE RESULTANT STRIP THERE IS A CELLULAR PROTECTIVE NETWORK OF SAID OXIDE.
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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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |