US3448635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Limited slip differential device
Assignee: Eaton Corp
•
Filing: 1967-03-27
•
Granted: 1969-06-10
•
Expires: 1987-03-27
Abstract
No abstract record available.
Inventors
- 👤 Robert K Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:38
CPC Classifications
F; F16; F16H; F16H48/00; F16H48/20; F16H48/30; F16H48/06; F16H48/08; F16H48/22; F16H48/24; F16H57/00; F16H57/04; F16H57/048; F16H57/0482; F16H57/0483; F16H2048/204; F16H48/38; F16H48/40; F16H2048/405; F16H48/42; F16H2048/423; F16H2048/426; F16H2200/00; F16H2200/20; F16H2200/203; F16H2200/2071; F16H48/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1867678A
Cited
GB858528A
Cited
GB911448A
Cited
US3208306A
Cited
GB996163A
Cited
US3261230A
Cited
US3364791A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |