Patent US1882943A successfully refreshed from Google Patents.
US1882943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible shaft end
Assignee: Stewart Warner Corp
•
Filing: 1930-01-11
•
Granted: 1932-10-18
•
Expires: 1950-01-11
Abstract
No abstract record available.
Inventors
- 👤 Frank A Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:42
CPC Classifications
F; F16; F16C; F16C1/00; F16C1/26; F16C1/262; Y; Y10; Y10T; Y10T403/00; Y10T403/60; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/20456
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) | 1935-10-18 | 1936-04-18 | 1936-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-10-18 | 1940-04-18 | 1940-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-10-18 | 1944-04-18 | 1944-10-18 | $7700.00 | Window Closed / Lapsed |