US666438A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed-varying device.
Assignee: Individual
•
Filing: 1899-10-16
•
Granted: 1901-01-22
•
Expires: 1919-10-16
Abstract
No abstract record available.
Inventors
- 👤 Gustaf L Reenstierna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:40
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/08; F16H3/083; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19284; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19442; Y10T74/19451; Y10T74/1946
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) | 1904-01-22 | 1904-07-23 | 1905-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-01-22 | 1908-07-23 | 1909-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-01-22 | 1912-07-23 | 1913-01-22 | $7700.00 | Window Closed / Lapsed |