US2542630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Forming machine
Assignee: Danly Machine Specialties Inc
•
Filing: 1947-08-08
•
Granted: 1951-02-20
•
Expires: 1967-08-08
Abstract
No abstract record available.
Inventors
- 👤 Guy O Conner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:45
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/20; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2074; Y10T83/2081
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1066727A
Cited
US1302697A
Cited
US1344975A
Cited
US1337924A
Cited
US1620687A
Cited
US2406808A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |