US3605519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control for dual hydrostatic drive
Assignee: Doosan Bobcat North America Inc
•
Filing: 1970-01-26
•
Granted: 1971-09-20
•
Expires: 1990-01-26
Abstract
Abstract MECHANISM FOR CONTROLLING TWO SEPARATE POWER OUTPUTS TOGETHER OR INDEPENDENTLY, INCLUDING A PAIR OF PLATES MOUNTED FOR ROTATION, A PAIR OF CONVERGING SLOTS IN EACH PLATE, A ROD EXTENDING THROUGH EACH PAIR OF CORRESPONDING SLOTS IN THE PLATES AND TENSION SPRING MEANS CONNECTED BETWEEN THE PAIR OF RODS.
Inventors
- 👤 John P Heggen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:22
CPC Classifications
B; B62; B62D; B62D11/00; B62D11/02; B62D11/06; B62D11/10; B62D11/14; B62D11/18; B62D11/183; F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/42; F16H61/437; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20213; Y10T74/20396
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |