US3133454A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking differential
Assignee: Individual
•
Filing: 1961-11-06
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Granted: 1964-05-19
•
Expires: 1981-11-06
Abstract
No abstract record available.
Inventors
- 👤 Bernard J Padlo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:32
CPC Classifications
F; F16; F16H; F16H48/00; F16H48/20; F16H48/22; F16H48/06; F16H48/08; F16H48/24; F16H48/30; F16H48/34; F16H2048/085; F16H2048/087; F16H2048/201; F16H2048/204; F16H2048/205; F16H2048/305; F16H2048/346; F16H48/38; F16H2048/382
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
IN A DIFFERENTIAL GEARING ASSEMBLY INCLUDING A ROTATABLE DIFFERENTIAL SIDE GEAR AND A ROTATABLE SPIDER PINION POSITIONED IN DRIVING RELATION, THE IMPROVEMENT OF A MAGNETIZABLE BODY POSITIONED ADJACENT THE GEARS, A MAGNETIZABLE DOG, MEANS FOR GUIDING SAID DOG RELATIVE TO SAID MAGNETIZABLE BODY, GEAR LOCKING MEANS ON SAID MAGNETIZABLE DOG ENGAGEABLE WITH THE GEARS FOR LOCKING THE SAME AGAINST RELATIVE ROTATION, MEANS BIASING SAID DOG AWAY FROM SAID MAGNETIZABLE BODY, AND MEANS FOR ELECTROMAGNETICALLY ATTRACTING SAID MAGNETIZABLE DOG AND SAID MAGNETIZABLE BODY TOWARD ONE ANOTHER.
References Cited (Backward Citations)
US1280535A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |