US2568233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable clamping and spreading fixture
Assignee: Individual
•
Filing: 1948-04-17
•
Granted: 1951-09-18
•
Expires: 1968-04-17
Abstract
No abstract record available.
Inventors
- 👤 Burton C Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:42
CPC Classifications
B; B25; B25B; B25B5/00; B25B5/003; B25B5/06; B25B5/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE136209C
Cited
US420216A
Cited
US442733A
Cited
US1084130A
Cited
US1175811A
Cited
US1272259A
Cited
US1583611A
Cited
US2114227A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-17 | 1955-03-19 | 1955-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-17 | 1959-03-19 | 1959-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-17 | 1963-03-19 | 1963-09-18 | $7700.00 | Window Closed / Lapsed |