Patent US2825251A successfully refreshed from Google Patents.
US2825251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of rolling metal
Assignee: Individual
•
Filing: 1952-07-19
•
Granted: 1958-03-04
•
Expires: 1972-07-19
Abstract
No abstract record available.
Inventors
- 👤 Lee P Rader
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:47
CPC Classifications
B; B21; B21H; B21H1/00; B21H1/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2172553A
Cited
US368688A
Cited
DE360767C
Cited
DE498412C
Cited
US319755A
Cited
AT24641B
Cited
US1327525A
Cited
GB232964A
Cited
AU533626A
Cited
US1913143A
Cited
US2042552A
Cited
US2126912A
Cited
US2180555A
Cited
US2280686A
Cited
US2235255A
Cited
US2291408A
Cited
US2596962A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-03 | 1961-09-02 | 1962-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-03 | 1965-09-02 | 1966-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-03 | 1969-09-02 | 1970-03-04 | $7700.00 | Window Closed / Lapsed |