Patent US641106A successfully refreshed from Google Patents.
US641106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for connecting shafts with other parts.
Assignee: Individual
•
Filing: 1899-09-05
•
Granted: 1900-01-09
•
Expires: 1919-09-05
Abstract
No abstract record available.
Inventors
- 👤 Frank E Hawksworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:07
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/06; F16D1/08; F16D1/0876; F16D1/0817; Y; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/906; Y10T; Y10T403/00; Y10T403/70; Y10T403/7009; Y10T403/7011; Y10T403/7013; Y10T403/7047; Y10T403/7051
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) | 1903-01-09 | 1903-07-11 | 1904-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-01-09 | 1907-07-11 | 1908-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-01-09 | 1911-07-11 | 1912-01-10 | $7700.00 | Window Closed / Lapsed |