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US827171A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-lubricating pulley.
Assignee: Individual
•
Filing: 1904-08-30
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Granted: 1906-07-31
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Expires: 1924-08-30
Abstract
No abstract record available.
Inventors
- 👤 Charles B Mckown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:17
CPC Classifications
F; F16; F16N; F16N9/00; F16N9/02
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) | 1909-07-30 | 1910-01-29 | 1910-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-07-30 | 1914-01-29 | 1914-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-07-30 | 1918-01-29 | 1918-07-31 | $7700.00 | Window Closed / Lapsed |