US3253483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential
Assignee: Individual
•
Filing: 1963-03-06
•
Granted: 1966-05-31
•
Expires: 1983-03-06
Abstract
No abstract record available.
Inventors
- 👤 Thomas M Mccaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:24
CPC Classifications
F; F16; F16H; F16H48/00; F16H48/20; F16H48/28; F16H48/29; F16H48/06; F16H48/10; F16H2048/102; Y; Y10; Y10S; Y10S475/00; Y10S475/904
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
62 words
A LOCKING TYPE DIFFERENTIAL MECHANISM FOR A VERHICLE COMPRISING A CASE, FIRST AND SECOND SIDE GEAR MOUNTED IN SAID CASE COAXIAL WITH EACH OTHER AND ADAPTED TO BE ROTATIVELY CONNECTED TO FIRST SECOND AXLES RESPECTIVELY, EACH OF SAID FIRST AND SECOND SIDE GEARS COMPRISING A HELICAL FACE GEAR, A HELICAL PINION ROTATIVELY MOUNTED IN SAID CASE AND ENGAGIN SAID FIRST AND SECOND
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |