Patent US3063874A successfully refreshed from Google Patents.
US3063874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter cleaning system for textile traveling suction cleaner
Assignee: Parks Cramer Co
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Filing: 1961-04-24
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Granted: 1962-11-13
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Expires: 1981-04-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert L Black
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:15
CPC Classifications
D; D01; D01H; D01H11/00; D01H11/005; D01H11/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
THE METHOD OF REMOVING AND COLLECTING LINT AND OTHER LIGHT MATERIAL FROM THE FLOOR OF A ROOM CONTAINING A TEXTILE PROCESSING MACHINE, WHICH COMPRISES PRODUCING AT LEAST ONE SUCTION CURRENT OF AIR ADJACENT THE FLOOR AUTOMATICALLY AND REPEATEDLY MOVING THE SUCTION CURRENT OF AIR IN A PREDETERMINED PATH LENGHTWISE OF AND ADJACENT TO THE TEXTILE PROCESSING MACHINE, CONVEYING MATERIAL SUCKED INTO THE SUCTION AIR CURRENT UPWARDLY FROM ADJACENT THE FLOOR TO A ZONE ABOVE THE LEVEL OF THE MACHINE, COLLECTING THE MATERIAL IN A CHAMBER TRAVELING WITH SAID CURRENT AND HAVING A FILTER THROUGH WHICH AIR PASSES WHILE THE MATERIAL IS RETAINED IN THE CHAMBER, PRODUCING AT LEAST ONE BLOWING CURRENT OF AIR INDEPENDENTLY OF SAID SUCTION CURRENT OF AIR AND AT A ZONE ADJACENT THE PATH OF TRAVEL OF THE FILTER, AND DIRECTING SAID BLOWING CURRENT OF AIR AGAINST THE OUTSIDE SURFACE OF THE FILTER AND THROUGH THE SAME SO AS TO REMOVE MATERIAL FROM THE INSIDE SURFACE OF THE FILTER.
Claim 2
Independent Claim
162 words
THE METHOD OF REMOVING AND COLLECTING LINT AND OTHER LIGHT MATERIAL FROM THE FLOOR OF A ROOM CONTAINING A TEXTILE PROCESSING MACHINE, WHICH COMPRISES PRODUCING AT LEAST ONE SUCTION CURRENT OF AIR ADJACENT THE FLOOR AUTOMATICALLY AND REPEATEDLY MOVING THE SUCTION CURRENT OF AIR IN A PREDETERMINED PATH LENGHTWISE OF AND ADJACENT TO THE TEXTILE PROCESSING MACHINE, CONVEYING MATERIAL SUCKED INTO THE SUCTION AIR CURRENT UPWARDLY FROM ADJACENT THE FLOOR TO A ZONE ABOVE THE LEVEL OF THE MACHINE, COLLECTING THE MATERIAL IN A CHAMBER TRAVELING WITH SAID CURRENT AND HAVING A FILTER THROUGH WHICH AIR PASSES WHILE THE MATERIAL IS RETAINED IN THE CHAMBER, PRODUCING AT LEAST ONE BLOWING CURRENT OF AIR INDEPENDENTLY OF SAID SUCTION CURRENT OF AIR AND AT A ZONE ADJACENT THE PATH OF TRAVEL OF THE FILTER, AND DIRECTING SAID BLOWING CURRENT OF AIR AGAINST THE OUTSIDE SURFACE OF THE FILTER AND THROUGH THE SAME SO AS TO REMOVE MATERIAL FROM THE INSIDE SURFACE OF THE FILTER.
References Cited (Backward Citations)
GB797940A
Cited
US2976558A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |