US3046924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for spin extruding metal articles
Assignee: Commercial Shearing Inc
•
Filing: 1957-04-23
•
Granted: 1962-07-31
•
Expires: 1977-04-23
Abstract
No abstract record available.
Inventors
- 👤 Thomas C Kanc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:16
CPC Classifications
B; B21; B21D; B21D22/00; B21D22/14; B21D22/16; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49481; Y10T29/49492; Y10T29/49496; Y10T29/49504
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1939356A
Cited
US1922088A
Cited
US1922087A
Cited
US1968296A
Cited
GB442124A
Cited
US2160975A
Cited
US2359479A
Cited
US2522257A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |