Patent US3050247A successfully refreshed from Google Patents.
US3050247A
Expired / Lapsed
US
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Shaft positioner
Assignee: Ex-Cell-O Corp
•
Filing: 1958-12-31
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Granted: 1962-08-21
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Expires: 1978-12-31
Abstract
No abstract record available.
Inventors
- 👤 Thor H Ljunggren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:42
CPC Classifications
B; B23; B23Q; B23Q16/00; B23Q16/004; H; H03; H03M; H03M1/00; H03M1/12; H03M1/22; H03M1/24; H03M1/28; H03M1/30; H03M1/308
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1928874A
Cited
US2197867A
Cited
US2077962A
Cited
GB682998A
Cited
US2852764A
Cited
US2916205A
Cited
US2969042A
Cited
US2911956A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |