US2433152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary swaging machine
Assignee: CREAD ENGINEERING AND RES COMP
•
Filing: 1943-04-17
•
Granted: 1947-12-23
•
Expires: 1963-04-17
Abstract
No abstract record available.
Inventors
- 👤 Patnaude Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:45
CPC Classifications
B; B21; B21J; B21J7/00; B21J7/02; B21J7/14; B21J7/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US492576A
Cited
FR361445A
Cited
US1074398A
Cited
US1430974A
Cited
US1507621A
Cited
US1507585A
Cited
US1617890A
Cited
US1819376A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-22 | 1951-06-23 | 1951-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-22 | 1955-06-23 | 1955-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-22 | 1959-06-23 | 1959-12-23 | $7700.00 | Window Closed / Lapsed |