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Patent US2432137A successfully refreshed from Google Patents.
US2432137A
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US
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Circular article workholder
Assignee: United Shoe Machinery Corp
•
Filing: 1944-08-16
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Granted: 1947-12-09
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Expires: 1964-08-16
Abstract
No abstract record available.
Inventors
- 👤 George F C Burke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:25
CPC Classifications
A; A62; A62B; A62B23/00; Y; Y10; Y10T; Y10T279/00; Y10T279/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US606736A
Cited
US1453803A
Cited
US1239873A
Cited
US1546062A
Cited
US1775225A
Cited
US1952453A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-08 | 1951-06-09 | 1951-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-08 | 1955-06-09 | 1955-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-08 | 1959-06-09 | 1959-12-09 | $7700.00 | Window Closed / Lapsed |