Patent US4137106A successfully refreshed from Google Patents.
US847541A
Expired / Lapsed
US
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Shaft-bearing.
Assignee: Individual
•
Filing: 1906-11-02
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Granted: 1907-03-19
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Expires: 1926-11-02
Abstract
No abstract record available.
Inventors
- 👤 Jacob F Ayers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:21
CPC Classifications
F; F03; F03D; F03D80/00; F03D80/70; F16; F16C; F16C35/00; F16C35/04; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72
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) | 1910-03-18 | 1910-09-17 | 1911-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-03-18 | 1914-09-17 | 1915-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-03-18 | 1918-09-17 | 1919-03-19 | $7700.00 | Window Closed / Lapsed |