US1641377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing
Assignee: DURO CO
•
Filing: 1925-11-16
•
Granted: 1927-09-06
•
Expires: 1945-11-16
Abstract
No abstract record available.
Inventors
- 👤 Charles P Eisenhauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:33
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/74; Y; Y10; Y10S; Y10S277/00; Y10S277/904
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) | 1930-09-05 | 1931-03-07 | 1931-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-09-05 | 1935-03-07 | 1935-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-09-05 | 1939-03-07 | 1939-09-06 | $7700.00 | Window Closed / Lapsed |