US3133318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fibre opening and cleaning machine
Assignee: Maschinenfabrik Rieter AG
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Filing: 1961-10-25
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Granted: 1964-05-19
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Expires: 1981-10-25
Abstract
No abstract record available.
Inventors
- 👤 Neubauer Anita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:57
CPC Classifications
D; D01; D01G; D01G9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A FIBRE-OPENING AND CLEANING MACHINE COMPRISING A HOUSING WITH A CENTRAL FIBRE FEED APERTURE, A FIRST ANNULAR CARD CLOTHING ARRANGED WITHIN THE HOUSING, A ROTOR ARRANGED IN THE HOUSING, A SECOND ANNULAR CARD CLOTHING CARRIED BY THE ROTOR AND SITUATED OPPOSITE THE FIRST CLOTHING, THE TWO CLOTHINGS HAVING FIBRE-OPENING ELEMENTS WHICH, AS VIEWED IN THE RADIAL OUTWARD DIRECTION, GRADUALLY APPROACH AND BECOME NEARER TO ONE ANOTHER, BUT WITHOUT ANY OVERLAPPING AND INTER-ENGAGEMENT.
Claim 2
Dependent Claim
72 words
A FIBRE-OPENING AND CLEANING MACHINE COMPRISING A HOUSING WITH A CENTRAL FIBRE FEED APERTURE, A FIRST ANNULAR CARD CLOTHING ARRANGED WITHIN THE HOUSING, A ROTOR ARRANGED IN THE HOUSING, A SECOND ANNULAR CARD CLOTHING CARRIED BY THE ROTOR AND SITUATED OPPOSITE THE FIRST CLOTHING, THE TWO CLOTHINGS HAVING FIBRE-OPENING ELEMENTS WHICH, AS VIEWED IN THE RADIAL OUTWARD DIRECTION, GRADUALLY APPROACH AND BECOME NEARER TO ONE ANOTHER, BUT WITHOUT ANY OVERLAPPING AND INTER-ENGAGEMENT.
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) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |