US2502804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article-holding clamp having a selectively rigid or springpressed jaw
Assignee: Detroit Stamping Co
•
Filing: 1944-11-08
•
Granted: 1950-04-04
•
Expires: 1964-11-08
Abstract
No abstract record available.
Inventors
- 👤 John T Spencer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:53
CPC Classifications
B; B25; B25B; B25B5/00; B25B5/16; B25B5/163
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US914041A
Cited
US1930384A
Cited
US2296162A
Cited
US2327368A
Cited
US2323654A
Cited
US2322107A
Cited
US2316073A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-03 | 1953-10-03 | 1954-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-03 | 1957-10-03 | 1958-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-03 | 1961-10-03 | 1962-04-04 | $7700.00 | Window Closed / Lapsed |