Patent US3195296A successfully refreshed from Google Patents.
US3195296A
Expired / Lapsed
US
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Lint filter bag
Assignee: Hoyt Manufacturing Corp
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Filing: 1963-01-18
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Granted: 1965-07-20
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Expires: 1983-01-18
Abstract
No abstract record available.
Inventors
- 👤 Harry W Janson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:13
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/14; A47L9/1427; A47L9/149; A47L9/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
FILTER APPARATUS FOR REMOVING AND COLLECTING PARTICULATE MATTER FROM A TURBULANT OF GAS COMPRISING: A TUBULAR BAG OF PORTION MATERIAL OPEN AT ONE END THEREOF AND CLOSED AT THE OTHER END THEREOF; AND A PLURALITY OF THIN, FLEXIBLE STRANDS DISPOSED LONGITUDINALLY OF SAID BAG IN SPACED RELATION ABOUT THE INNER TUBULAR SURFACE THEREOF, EACH OF SAID STRANDS BEING ATTACHED TO THE INNER TUBULAR SURFACE OF SAID BAG AT LEAST AT TWO POINTS THEREON; STACK BEING PROVIDED IN EACH OF SAID STRANDS BETWEEN ITS POINTS ATTACHMENT; SAID STRANDS BEING OPERATIVE UPON THE INTRODUCTION OF SAID TUBULENT STREAM OF GAS INTO SAID BAG TO SWEEP SAID INNER TUBULAR SURFACE ALONG SUBSTANTIALLY THE ENTIRE LENGTH OF SAID STRANDS BETWEEN THEIR POINTS OF ATTACHMENT.
Claim 2
Dependent Claim
120 words
FILTER APPARATUS FOR REMOVING AND COLLECTING PARTICULATE MATTER FROM A TURBULANT OF GAS COMPRISING: A TUBULAR BAG OF PORTION MATERIAL OPEN AT ONE END THEREOF AND CLOSED AT THE OTHER END THEREOF; AND A PLURALITY OF THIN, FLEXIBLE STRANDS DISPOSED LONGITUDINALLY OF SAID BAG IN SPACED RELATION ABOUT THE INNER TUBULAR SURFACE THEREOF, EACH OF SAID STRANDS BEING ATTACHED TO THE INNER TUBULAR SURFACE OF SAID BAG AT LEAST AT TWO POINTS THEREON; STACK BEING PROVIDED IN EACH OF SAID STRANDS BETWEEN ITS POINTS ATTACHMENT; SAID STRANDS BEING OPERATIVE UPON THE INTRODUCTION OF SAID TUBULENT STREAM OF GAS INTO SAID BAG TO SWEEP SAID INNER TUBULAR SURFACE ALONG SUBSTANTIALLY THE ENTIRE LENGTH OF SAID STRANDS BETWEEN THEIR POINTS OF ATTACHMENT.
References Cited (Backward Citations)
DE4494C
Cited
US523652A
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US984810A
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GB190918013A
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US1026553A
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GB191424115A
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GB282743A
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DE582935C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |