Patent US3337890A successfully refreshed from Google Patents.
US3337890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Street sweeper
Assignee: Ing Alfred Schmidt GmbH
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Filing: 1964-09-04
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Granted: 1967-08-29
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Expires: 1984-09-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Alfred Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:06
CPC Classifications
E; E01; E01H; E01H1/00; E01H1/02; E01H1/04; E01H1/047
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
IN A ROTARY STREET SWEEPER, SWEEPING MEANS, RECEPTACLE MEANS LOCATED NEXT TO SAID SWEEPING MEANS FOR RECEIVING DIRT SWEPT THEREBY, RELEASABLE LOCK MEANS OPERATIVELY CONNECTED TO SAID ROTARY SWEEPING MEANS AND SAID RECEPTACLE MEANS FOR RELEASABLY LOCKING THEM INTO EACH OTHER, MEANS FOR EFFECTING UPON ACTUATION RELEASE OF SAID LOCK MEANS THEREBY SEPARATING SAID RECEPTACLE MEANS FROM SAID SWEEPING MEANS, AND LINKAGE MEANS ADAPTED TO BE MOUNTED ON A VEHICLE, SAID LINKAGE MEANS BEING OPERATIVELY CONNECTED TO THE SWEEPING MEANS AND TO SAID RECEPTACLE MEANS FOR POSITIONING THEM IN OPERATING POSITIONS FOR SWEEPING A STREET OR THE LIKE, AND FOR RAISING SAID RECEPTACLE MEANS AWAY FROM SAID SWEEPING MEANS WHEN SAID RELEASING MEANS IS ACTUATED, SAID RECEPTACLE MEANS BEING ADAPTED TO BE RAISED BY SAID LINKAGE TO ELEVATIONS INDEPENDENTLY OF SAID SWEEPING MEANS FOR THE PURPOSE OF EMPTYING THE RECEPTACLE MEANS.
Claim 2
Dependent Claim
141 words
IN A ROTARY STREET SWEEPER, SWEEPING MEANS, RECEPTACLE MEANS LOCATED NEXT TO SAID SWEEPING MEANS FOR RECEIVING DIRT SWEPT THEREBY, RELEASABLE LOCK MEANS OPERATIVELY CONNECTED TO SAID ROTARY SWEEPING MEANS AND SAID RECEPTACLE MEANS FOR RELEASABLY LOCKING THEM INTO EACH OTHER, MEANS FOR EFFECTING UPON ACTUATION RELEASE OF SAID LOCK MEANS THEREBY SEPARATING SAID RECEPTACLE MEANS FROM SAID SWEEPING MEANS, AND LINKAGE MEANS ADAPTED TO BE MOUNTED ON A VEHICLE, SAID LINKAGE MEANS BEING OPERATIVELY CONNECTED TO THE SWEEPING MEANS AND TO SAID RECEPTACLE MEANS FOR POSITIONING THEM IN OPERATING POSITIONS FOR SWEEPING A STREET OR THE LIKE, AND FOR RAISING SAID RECEPTACLE MEANS AWAY FROM SAID SWEEPING MEANS WHEN SAID RELEASING MEANS IS ACTUATED, SAID RECEPTACLE MEANS BEING ADAPTED TO BE RAISED BY SAID LINKAGE TO ELEVATIONS INDEPENDENTLY OF SAID SWEEPING MEANS FOR THE PURPOSE OF EMPTYING THE RECEPTACLE MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |