Patent US819753A successfully refreshed from Google Patents.
US819753A
Expired / Lapsed
US
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Ball-bearing cone.
Assignee: CORBIN SCREW CORP
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Filing: 1906-02-23
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Granted: 1906-05-08
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Expires: 1926-02-23
Abstract
No abstract record available.
Inventors
- 👤 Charles Glover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:20
CPC Classifications
F; F16; F16C; F16C35/00; F16C35/04; F16C35/06; F16C35/063; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C33/7889; F16C19/00; F16C19/02; F16C19/14; F16C19/16; F16C19/163; F16C2226/00; F16C2226/50; F16C2226/60; F16C2326/00; F16C2326/01; F16C2326/02
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) | 1909-05-07 | 1909-11-06 | 1910-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-05-07 | 1913-11-06 | 1914-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-05-07 | 1917-11-06 | 1918-05-08 | $7700.00 | Window Closed / Lapsed |