US2446973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic chuck and loading device therefor
Assignee: Motors Liquidation Co
•
Filing: 1943-05-08
•
Granted: 1948-08-10
•
Expires: 1963-05-08
Abstract
No abstract record available.
Inventors
- 👤 Philip B Zeigler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:21
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/15; B23Q3/154; B23Q3/152
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US181244A
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US660853A
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US699066A
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US1003900A
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US1105552A
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US1360054A
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US1814374A
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US2066594A
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US2156876A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-10 | 1952-02-09 | 1952-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-10 | 1956-02-09 | 1956-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-10 | 1960-02-09 | 1960-08-10 | $7700.00 | Window Closed / Lapsed |