US2609430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic work holder
Assignee: James Neill and Co Ltd Sheffield
•
Filing: 1950-01-26
•
Granted: 1952-09-02
•
Expires: 1970-01-26
Abstract
No abstract record available.
Inventors
- 👤 William L Bower
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:48
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/15; B23Q3/154; B23Q3/1546; Y; Y10; Y10T; Y10T279/00; Y10T279/23; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1507777A
Cited
US1970922A
Cited
US2179625A
Cited
US2234968A
Cited
US2271904A
Cited
US2376150A
Cited
US2404072A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-02 | 1956-03-03 | 1956-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-02 | 1960-03-03 | 1960-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-02 | 1964-03-03 | 1964-09-02 | $7700.00 | Window Closed / Lapsed |