Patent US671826A successfully refreshed from Google Patents.
US671826A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Change-gearing.
Assignee: Individual
•
Filing: 1900-06-28
•
Granted: 1901-04-09
•
Expires: 1920-06-28
Abstract
No abstract record available.
Inventors
- 👤 Kirk G Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:24
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/20; F16H3/36; F16H3/366; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19293; Y10T74/19353
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1904-04-08 | 1904-10-08 | 1905-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-04-08 | 1908-10-08 | 1909-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-04-08 | 1912-10-08 | 1913-04-09 | $7700.00 | Window Closed / Lapsed |