US3250340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrostatic driving system for motor vehicle
Assignee: Individual
•
Filing: 1962-09-27
•
Granted: 1966-05-10
•
Expires: 1982-09-27
Abstract
No abstract record available.
Inventors
- 👤 Robert E Roberson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:01
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/34; B60K17/356; B60K17/04; B60K17/10; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2521; Y10T137/2524
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
94 words
A RIGID FRAME FOR A MOTOR VEHICLE COMPRISING IN COMBINATION, A LIQUID RECEIVING TANK, LATERAL EXTENSION SECURED TO THE SIDE PORTIONS OF THE TANK AND EXTENDING LATERALLY OUTWARDLY TO DRIVE WHEEL LOCATIONS, POSITIVE DISPLACEMENT HYDRAULIC DRIVE MOTOR SECURED TO SAID EXTENSIONS PROXIMATE TO THE DRIVE WHEEL LOCATIONS, SAID TANK ELEMENT INCLUDING A FORWARD TUBULAR EXTENSIONS IN SUBSTANTIAL ALIGNMENT WITH THE BOTTOM OF THE TANK AND IN LIQUID COMMUNICATION WITH THE INTERIOR OF THE TANK, A PLATFORM IN PROXIMITY TO THE FRONT PORTION OF SUCH EXTENSIONS AND MEANS TO SECURE SUCH PLATFORM TO SUCH EXTENSIONS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |