Patent US3287786A successfully refreshed from Google Patents.
US3287786A
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Apparatus for making shaped felt
Assignee: Dunlop Rubber Co Ltd
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Filing: 1965-08-27
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Granted: 1966-11-29
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Expires: 1985-08-27
Abstract
No abstract record available.
Inventors
- 👤 Goy Ronald Stansfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:32
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/76; D; D04; D04H; D04H17/00; D04H18/00; D04H18/02; D04H3/00; D04H3/08; D04H3/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
60 words
AN APPARATUS FOR MAKING A SHAPED FELT COMPRISING MEANS FOR FORMING A MAT OF FIBERS INTO A DESIRED SHAPE, A PLURALITY OF BARBED NEEDLES CARRIED BY A NEEDLING HEAD MOVABLE IN A DIRECTION TO CAUSE SAID BARBED NEEDLES TO PIERCE THE SHAPED MAT AND A PLATE MOUNTED TO CAUSE THE SHAPED MAT TO MOVE IN RELATION TO THE BARBED NEEDLES.
References Cited (Backward Citations)
US2158533A
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US2391560A
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US2902746A
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US3010178A
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US3117359A
Cited
US3150434A
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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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |