US3071793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Street maintenance equipment
Assignee: Individual
•
Filing: 1959-05-04
•
Granted: 1963-01-08
•
Expires: 1979-05-04
Abstract
No abstract record available.
Inventors
- 👤 Le Grand H Lull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:47
CPC Classifications
E; E01; E01H; E01H1/00; E01H1/02; E01H1/05; E01H1/056
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A DUAL-PURPOSE STREET CLEANER COMPRISING A SUPPORTING VEHICLE, A HOIST FRAME EXTENDING FORWARDLY OF AND BEING VERTICALLY-MOVABLY MOUNTED ON THE FORWARD END OF THE VEHICLE, MEANS FOR MOVING THE FRAME UPWARDLY, A DUAL STREET CLEANING UNIT EXTENDING FORWARDLY OF AND MOUNTED ON THE HOIST FRAME AND HAVING TWO STREET CLEANING DEVICES, AND RADIALLY EXTENSIBLE PIVOTAL SUPPORT MEANS OPERATIVELY HOLDING ONE OF SAID DEVICES AND BEING OPERABLE TO PIVOT SAID ONE DEVICE BETWEEN A RADIALLY EXTENDED OPERATIVE POSITION AND A RADIALLY RETRACTED NON-OPERATIVE POSITION WHICH IS INTERMEDIATE THE VEHICLE AND THE SAID OTHER DEVICE.
Claim 2
Dependent Claim
93 words
A DUAL-PURPOSE STREET CLEANER COMPRISING A SUPPORTING VEHICLE, A HOIST FRAME EXTENDING FORWARDLY OF AND BEING VERTICALLY-MOVABLY MOUNTED ON THE FORWARD END OF THE VEHICLE, MEANS FOR MOVING THE FRAME UPWARDLY, A DUAL STREET CLEANING UNIT EXTENDING FORWARDLY OF AND MOUNTED ON THE HOIST FRAME AND HAVING TWO STREET CLEANING DEVICES, AND RADIALLY EXTENSIBLE PIVOTAL SUPPORT MEANS OPERATIVELY HOLDING ONE OF SAID DEVICES AND BEING OPERABLE TO PIVOT SAID ONE DEVICE BETWEEN A RADIALLY EXTENDED OPERATIVE POSITION AND A RADIALLY RETRACTED NON-OPERATIVE POSITION WHICH IS INTERMEDIATE THE VEHICLE AND THE SAID OTHER DEVICE.
References Cited (Backward Citations)
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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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |