Patent US2447562A successfully refreshed from Google Patents.
US2447562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for supporting workpieces to be tooled
Assignee: Inpaeo A G
•
Filing: 1945-04-21
•
Granted: 1948-08-24
•
Expires: 1965-04-21
Abstract
No abstract record available.
Inventors
- 👤 Burri Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:10
CPC Classifications
B; B25; B25B; B25B1/00; B25B1/06; B25B1/16; B25B5/00; B25B5/04; B25B5/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US32093A
Cited
US100868A
Cited
US114651A
Cited
US274232A
Cited
US797376A
Cited
US985209A
Cited
US2248447A
Cited
US2260995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-24 | 1952-02-23 | 1952-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-24 | 1956-02-23 | 1956-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-24 | 1960-02-23 | 1960-08-24 | $7700.00 | Window Closed / Lapsed |