US2434558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rolling of thin gauged material
Assignee: American Rolling Mill Co
•
Filing: 1943-05-20
•
Granted: 1948-01-13
•
Expires: 1963-05-20
Abstract
No abstract record available.
Inventors
- 👤 Gage Gordon
- 👤 Hughes David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:49
CPC Classifications
B; B21; B21B; B21B1/00; B21B1/40; B21B1/38; B21B3/00; B21B3/02; Y; Y10; Y10T; Y10T29/00; Y10T29/30; Y10T29/301
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1380254A
Cited
US1618515A
Cited
US1792377A
Cited
US1691703A
Cited
US2181462A
Cited
GB503488A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-12 | 1951-07-14 | 1952-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-12 | 1955-07-14 | 1956-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-12 | 1959-07-14 | 1960-01-13 | $7700.00 | Window Closed / Lapsed |