Patent US2623429A successfully refreshed from Google Patents.
US2623429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work handling apparatus for machine tools
Assignee: RK Le Blond Machine Tool Co
•
Filing: 1951-01-10
•
Granted: 1952-12-30
•
Expires: 1971-01-10
Abstract
No abstract record available.
Inventors
- 👤 Walter R Meyer
- 👤 Harold J Siekmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:33
CPC Classifications
B; B23; B23Q; B23Q7/00; B23Q7/04; Y; Y10; Y10T; Y10T82/00; Y10T82/19; Y10T82/25; Y10T82/2514; Y10T82/2516
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1422140A
Cited
US1700721A
Cited
US1794424A
Cited
US1841988A
Cited
USRE18559E
Cited
US1950040A
Cited
US1933225A
Cited
US1933226A
Cited
US2040028A
Cited
US2004540A
Cited
US2191347A
Cited
US2233993A
Cited
US2233309A
Cited
US2221049A
Cited
US2305868A
Cited
US2404830A
Cited
US2445106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-30 | 1956-06-30 | 1956-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-30 | 1960-06-30 | 1960-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-30 | 1964-06-30 | 1964-12-30 | $7700.00 | Window Closed / Lapsed |