US2797476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for treating metallic strips
Assignee: Individual
•
Filing: 1952-06-17
•
Granted: 1957-07-02
•
Expires: 1972-06-17
Abstract
No abstract record available.
Inventors
- 👤 Sendzimir Tadeusz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:37
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/34; C23C2/36; C23C2/38; C21; C21D; C21D9/00; C21D9/52; C21D9/54; C21D9/56; C21D9/561; C21D9/562; C21D9/565; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4998; Y10T29/49982; Y10T29/49986
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
63 words
THE PROCESS OF TREATING AN EXTENSIVE LENGTH OF WORKHARDENED STEEL STRIP, WHICH COMPRISES CONTINOUSLY MOVING SAID STEEL STRIP LENGTHWISE AND SIMULTANOUSLY APPLYING TO SUCCESSIVE PORTIONS OF SAID STEEL STRIPE THE CONTINUOUS STEPS OF: BRIGHT ANNEALING; COOLING UNDER NON-OXIDIZING CONDITIONS; AND TEMPER ROLLING WHILE MAINTAINING SAID STEEL STRIP UNDER TENSION TO TAKE UP THE ELONGATION OF SAID STEEL STRIP RESULTING FROM SAID TEMPER ROLLING.
Claim 2
Dependent Claim
63 words
THE PROCESS OF TREATING AN EXTENSIVE LENGTH OF WORKHARDENED STEEL STRIP, WHICH COMPRISES CONTINOUSLY MOVING SAID STEEL STRIP LENGTHWISE AND SIMULTANOUSLY APPLYING TO SUCCESSIVE PORTIONS OF SAID STEEL STRIPE THE CONTINUOUS STEPS OF: BRIGHT ANNEALING; COOLING UNDER NON-OXIDIZING CONDITIONS; AND TEMPER ROLLING WHILE MAINTAINING SAID STEEL STRIP UNDER TENSION TO TAKE UP THE ELONGATION OF SAID STEEL STRIP RESULTING FROM SAID TEMPER ROLLING.
Claim 3
Dependent Claim
29 words
THE PROCESS OF METAL COATING A STEEL STRIP, WHICH COMPRISES APPLYING A MOLTEN COATING TO SAID STEEL STRIP AND TEMPER ROLLING SAID STEEL STRIP WITH SAID MOLTEN METAL COATING.
Claim 4
Dependent Claim
29 words
THE PROCESS OF METAL COATING A STEEL STRIP, WHICH COMPRISES APPLYING A MOLTEN COATING TO SAID STEEL STRIP AND TEMPER ROLLING SAID STEEL STRIP WITH SAID MOLTEN METAL COATING.
References Cited (Backward Citations)
US505131A
Cited
US182468A
Cited
US1675134A
Cited
US1901039A
Cited
US1980961A
Cited
US2040442A
Cited
US2170732A
Cited
US2110893A
Cited
US2235729A
Cited
US2192901A
Cited
US2305615A
Cited
US2310451A
Cited
US2479974A
Cited
US2398034A
Cited
US2588439A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |