US3300807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning apparatus
Assignee: NOAH MINTZ
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Filing: 1964-12-07
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Granted: 1967-01-31
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Expires: 1984-12-07
Abstract
No abstract record available.
Inventors
- 👤 Berkowitz George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:06
CPC Classifications
E; E01; E01H; E01H1/00; E01H1/08; E01H1/0827; E01H1/0836
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A CLEANING APPARATUS COMPRISING: A WHEELED TRUCK CHASSIS; A POWER DRIVEN SUCTION FAN MOUNTED ON SAID CHASSIS; A DROP BOX MOUNTED ON THE AIR INTAKE SIDE OF SAID SUCTION FAN HOUSING, THE INLET TO SAID DROP BOX BEING MOUNTED ON A WALL ADJACENT A WALL CONTAINING THE AIR INTAKE TO SAID FAN THEREBY CREATING AN ANGULAR CHANGE IN DIRECTION OF AIR FLOW THROUGH THE DROP BOX; A SUCTION TOOL OPERABLY MOUNTED ON THE FRONT OF SAID APPARATUS TO SUCK DEBRIS FROM A SURFOCE ALONG WHICH THE APPARATUS IS ADVANCED AND OPERABLY CONNECTED BY FLEXIBLE COUPLING AND DUCT MEANS TO SAID SUCTION FAN; A COLLECTION CHAMBER MOUNTED ON THE REAR OF SAID APPARATUS AND OPERABLY CONNECTED BY DUCT MEANS TO SAID SUCTION FAN; AND DEBRIS DISCHARGE MEANS LOCATED AT THE REAR END THEREOF.
Claim 2
Dependent Claim
132 words
A CLEANING APPARATUS COMPRISING: A WHEELED TRUCK CHASSIS; A POWER DRIVEN SUCTION FAN MOUNTED ON SAID CHASSIS; A DROP BOX MOUNTED ON THE AIR INTAKE SIDE OF SAID SUCTION FAN HOUSING, THE INLET TO SAID DROP BOX BEING MOUNTED ON A WALL ADJACENT A WALL CONTAINING THE AIR INTAKE TO SAID FAN THEREBY CREATING AN ANGULAR CHANGE IN DIRECTION OF AIR FLOW THROUGH THE DROP BOX; A SUCTION TOOL OPERABLY MOUNTED ON THE FRONT OF SAID APPARATUS TO SUCK DEBRIS FROM A SURFOCE ALONG WHICH THE APPARATUS IS ADVANCED AND OPERABLY CONNECTED BY FLEXIBLE COUPLING AND DUCT MEANS TO SAID SUCTION FAN; A COLLECTION CHAMBER MOUNTED ON THE REAR OF SAID APPARATUS AND OPERABLY CONNECTED BY DUCT MEANS TO SAID SUCTION FAN; AND DEBRIS DISCHARGE MEANS LOCATED AT THE REAR END THEREOF.
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |