US2438620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch and brake device for a twospeed axle construction
Assignee: Eaton Corp
•
Filing: 1941-12-10
•
Granted: 1948-03-30
•
Expires: 1961-12-10
Abstract
No abstract record available.
Inventors
- 👤 Robert C Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:28
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/46; F16H3/48; F16H3/52; F16H3/54; F16D; F16D11/00; F16D11/08; F16D11/10; F16H48/00; F16H48/06; F16H48/08; F16D2011/008; F16H2048/082; F16H48/38; F16H48/42; F16H2048/423; F16H2048/426; F16H37/00; F16H37/02; F16H37/04; F16H37/042; F16H37/046; F16H48/40
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-30 | 1951-09-29 | 1952-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-30 | 1955-09-29 | 1956-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-30 | 1959-09-29 | 1960-03-30 | $7700.00 | Window Closed / Lapsed |