Patent US687931A successfully refreshed from Google Patents.
US687931A
Expired / Lapsed
US
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Magnetic holding-table for metal-working machines.
Assignee: Linotype Co Ltd
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Filing: 1900-08-06
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Granted: 1901-12-03
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Expires: 1920-08-06
Abstract
No abstract record available.
Inventors
- 👤 Mark Barr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:41
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/15; B23Q3/154; B23Q3/1543; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30868; Y10T409/309016
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1904-12-02 | 1905-06-03 | 1905-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-12-02 | 1909-06-03 | 1909-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-12-02 | 1913-06-03 | 1913-12-03 | $7700.00 | Window Closed / Lapsed |