US2659932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extruding apparatus
Assignee: United States Steel Corp
•
Filing: 1951-04-24
•
Granted: 1953-11-24
•
Expires: 1971-04-24
Abstract
No abstract record available.
Inventors
- 👤 Owen A Mcnamee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:26
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/32; B29C48/34; B29C48/03; B29C48/05; B29C48/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US380610A
Cited
CA455025A
Cited
US1501764A
Cited
US1633620A
Cited
US1859901A
Cited
US1984038A
Cited
US2149002A
Cited
CH218424A
Cited
GB535311A
Cited
US2522364A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-23 | 1957-05-25 | 1957-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-23 | 1961-05-25 | 1961-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-23 | 1965-05-25 | 1965-11-24 | $7700.00 | Window Closed / Lapsed |