Patent US687566A successfully refreshed from Google Patents.
US687566A
Expired / Lapsed
US
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Speed-changing device.
Assignee: Individual
•
Filing: 1901-03-23
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Granted: 1901-11-26
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Expires: 1921-03-23
Abstract
No abstract record available.
Inventors
- 👤 Charles O Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:08
CPC Classifications
F; F16; F16H; F16H29/00; F16H29/02; F16H29/04; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1508; Y10T74/151; Y10T74/1526; Y10T74/1529; Y10T74/1531; Y10T74/1558; Y10T74/1565; Y10T74/1577; Y10T74/1579; Y10T74/20; Y10T74/20396; Y10T74/20468; Y10T74/21; Y10T74/2173; Y10T74/2179
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) | 1904-11-25 | 1905-05-27 | 1905-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-11-25 | 1909-05-27 | 1909-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-11-25 | 1913-05-27 | 1913-11-26 | $7700.00 | Window Closed / Lapsed |