US2752061A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic rivet setting machine
Assignee: SHELTON TACK Co
•
Filing: 1950-04-08
•
Granted: 1956-06-26
•
Expires: 1970-04-08
Abstract
No abstract record available.
Inventors
- 👤 Carl P Michlein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:53
CPC Classifications
B; B21; B21J; B21J15/00; B21J15/10; B21J15/16; B21J15/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US779427A
Cited
GB190923495A
Cited
US1656730A
Cited
US1769697A
Cited
US2179900A
Cited
US2189296A
Cited
US2361810A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-26 | 1959-12-26 | 1960-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-26 | 1963-12-26 | 1964-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-26 | 1967-12-26 | 1968-06-26 | $7700.00 | Window Closed / Lapsed |