US2477169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work positioner
Assignee: HARNISEHFEGER Corp
•
Filing: 1944-07-10
•
Granted: 1949-07-26
•
Expires: 1964-07-10
Abstract
No abstract record available.
Inventors
- 👤 Erwin C Brekelbaum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:23
CPC Classifications
B; B23; B23K; B23K37/00; B23K37/04; B23K37/0461; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18648; Y10T74/18712; Y10T74/1872
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1211381A
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US1617165A
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US1801831A
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US1640293A
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US2097920A
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US2186708A
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US2178877A
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US2178264A
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US2318791A
Cited
GB555110A
Cited
US2311525A
Cited
US2339020A
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US2396161A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-25 | 1953-01-24 | 1953-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-25 | 1957-01-24 | 1957-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-25 | 1961-01-24 | 1961-07-26 | $7700.00 | Window Closed / Lapsed |