Patent US969256A successfully refreshed from Google Patents.
US969256A
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Rail-breaking device.
Assignee: JAMES DUSTY
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Filing: 1909-03-19
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Granted: 1910-09-06
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Expires: 1929-03-19
Abstract
No abstract record available.
Inventors
- 👤 James Durie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:19
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/02; B23Q3/10; B23Q3/104; Y; Y10; Y10T; Y10T225/00; Y10T225/30; Y10T225/371; Y10T225/379
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) | 1913-09-05 | 1914-03-07 | 1914-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-09-05 | 1918-03-07 | 1918-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-09-05 | 1922-03-07 | 1922-09-06 | $7700.00 | Window Closed / Lapsed |