US2729883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Positioner for welding or other manufacturing operation
Assignee: Worthington Corp
•
Filing: 1953-02-25
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Granted: 1956-01-10
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Expires: 1973-02-25
Abstract
No abstract record available.
Inventors
- 👤 Louis G Hilkemeier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:34
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/40; B23K; B23K37/00; B23K37/04; B23K37/0426; B23K37/0452; B23Q1/44; B23Q1/50; B23Q1/52; B23Q1/522
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2182743A
Cited
US2311668A
Cited
GB557744A
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US2348062A
Cited
GB570731A
Cited
US2530016A
Cited
US2469644A
Cited
US2445016A
Cited
US2483811A
Cited
US2495250A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |