Patent US831874A successfully refreshed from Google Patents.
US831874A
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Shaft-bearing.
Assignee: Automatic Electric Co
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Filing: 1904-11-09
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Granted: 1906-09-25
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Expires: 1924-11-09
Abstract
No abstract record available.
Inventors
- 👤 Alexander E Keith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:36
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1025; F16C33/103; F16N; F16N7/00; F16N7/12
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) | 1909-09-24 | 1910-03-26 | 1910-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-09-24 | 1914-03-26 | 1914-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-09-24 | 1918-03-26 | 1918-09-25 | $7700.00 | Window Closed / Lapsed |