Patent US1111254A successfully refreshed from Google Patents.
US1111254A
Expired / Lapsed
US
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Grinding and polishing machine.
Assignee: Crucible Steel Company of America
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Filing: 1911-05-16
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Granted: 1914-09-22
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Expires: 1931-05-16
Abstract
No abstract record available.
Inventors
- 👤 Edmund L French
- 👤 George W Stephenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:24
CPC Classifications
B; B24; B24B; B24B9/00; B24B9/02; B24B9/06; B24B9/08; B24B9/10; B24B9/102
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) | 1917-09-21 | 1918-03-23 | 1918-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-09-21 | 1922-03-23 | 1922-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-09-21 | 1926-03-23 | 1926-09-22 | $7700.00 | Window Closed / Lapsed |