US3130604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential drive
Assignee: Individual
•
Filing: 1963-03-18
•
Granted: 1964-04-28
•
Expires: 1983-03-18
Abstract
No abstract record available.
Inventors
- 👤 Vernie L Johnson
- 👤 William L Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:13
CPC Classifications
F; F16; F16H; F16H13/00; F16H13/10; F16H13/06; F16H13/08; F16H48/00; F16H48/12; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A DIFFERENTIAL DRIVE MECHANISM COMPRISING A DRIVER WITH MEANS FOR ROTATING THE SAME, A PAIR OF DRIVEN ELEMENTS RESPECTIVELY DISPOSED ON OPPOSITE SIDES OF SAID DRIVER, A PLURALITY OF PERIPHERALLY SPACED DRIVING ELEMENTS CARRIED BY SAID DRIVER FOR ROTATION THEREWITH AND ROTATABLY MOUNTED ON AXES DISPOSED RADIALLY THEREOF AND BEING CONSTRUCTED AND ARRANGED FOR SIMULTANEOUS ENGAGEMENT ON OPPOSITE SIDES OF SAID DRIVER WITH SAID DRIVEN ELEMENTS AND BIASING MEANS URGING SAID DRIVEN ELEMENTS INTO ENGAGEMENT WITH THE ROTATABLE DRIVING ELEMENTS CARRIED BY SAID
Claim 2
Dependent Claim
83 words
A DIFFERENTIAL DRIVE MECHANISM COMPRISING A DRIVER WITH MEANS FOR ROTATING THE SAME, A PAIR OF DRIVEN ELEMENTS RESPECTIVELY DISPOSED ON OPPOSITE SIDES OF SAID DRIVER, A PLURALITY OF PERIPHERALLY SPACED DRIVING ELEMENTS CARRIED BY SAID DRIVER FOR ROTATION THEREWITH AND ROTATABLY MOUNTED ON AXES DISPOSED RADIALLY THEREOF AND BEING CONSTRUCTED AND ARRANGED FOR SIMULTANEOUS ENGAGEMENT ON OPPOSITE SIDES OF SAID DRIVER WITH SAID DRIVEN ELEMENTS AND BIASING MEANS URGING SAID DRIVEN ELEMENTS INTO ENGAGEMENT WITH THE ROTATABLE DRIVING ELEMENTS CARRIED BY SAID
References Cited (Backward Citations)
US2179923A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |