Patent US941101A successfully refreshed from Google Patents.
US941101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential mechanism.
Assignee: Ross Gear and Tool Co Inc
•
Filing: 1905-04-24
•
Granted: 1909-11-23
•
Expires: 1925-04-24
Abstract
No abstract record available.
Inventors
- 👤 David E Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:51
CPC Classifications
F; F16; F16H; F16H48/00; F16H48/06; F16H48/08
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) | 1912-11-22 | 1913-05-24 | 1913-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-11-22 | 1917-05-24 | 1917-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-11-22 | 1921-05-24 | 1921-11-23 | $7700.00 | Window Closed / Lapsed |