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US678538A
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Assignee: Individual
•
Filing: 1899-11-17
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Granted: 1901-07-16
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Expires: 1919-11-17
Abstract
No abstract record available.
Inventors
- 👤 Leon W Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:09
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/18; D01H5/70; D01H5/74; F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C33/7886; F16C33/80; F16C13/00; F16C13/02; F16C2340/00; F16C2340/18
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) | 1904-07-15 | 1905-01-14 | 1905-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-07-15 | 1909-01-14 | 1909-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-07-15 | 1913-01-14 | 1913-07-16 | $7700.00 | Window Closed / Lapsed |