US3134144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carding and drafting apparatus
Assignee: Greenwood Mills Inc
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Filing: 1960-12-30
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Granted: 1964-05-26
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Expires: 1980-12-30
Abstract
No abstract record available.
Inventors
- 👤 Conway L Still
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:35
CPC Classifications
D; D01; D01G; D01G21/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
A CARDING AND DRAFTING APPARATUS, WHICH COMPRISES A PLURALITY OF CARDS PRODUCING RESPECTIVE SILVERS AND EACH HAVING A CYLINDER, A DOFFER, AND A LICKER-IN, THE CYLINDER, DOFFER, AND LICKER-IN HAVING RESPECTIVE SHAFTS, THE CARDS BEING ARRANGED IN A ROW WITH THEIR CYLINDER SHAFTS ALIGNED, MEANS FOR COUPLING THE CYLINDER SHAFTS, A PRIME MOVER CONNECTED TO THE COUPLED CYLINDER SHAFTS, MEANS FOR DRIVING THE LICKER-IN SHAFTS, A COUNTER SHAFT PARALLEL TO THE CYLINDER SHAFTS, A DRIVING CONNECTION BETWEEN ONE CYLINDER SHAFT AND THE COUNTERSHAFT, THE DRIVING CONNECTION INCLUDING A CLUTCH, MEANS FOR DRIVING THE DOFFER SHAFTS FROM THE COUNTERSHAFT, A DRAW BOX RECEIVING THE SLIVERS ISSUING FROM THE CARDS AND DISCHARGING A SINGLE DRAFTED SLIVER, A COILER RECEIVING THE DRAFTED SLIVER AND DEPOSITING IT IN A CAN, MEANS FOR DRIVING THE DRAW BOX AND THE COILER FROM THE COUNTERSHAFT, CAN DOFFING MEANS FOR REPLACING A FULL CAN BY AN EMPTY ONE, AND MEANS OPERATING AFTER THE DEPOSIT OF A SELECTED QUANTITY OF SLIVER IN THE CAN TO DISENGAGE THE CLUTCH AND START THE OPERATION OF THE CAN DOFFING MEANS.
Claim 2
Dependent Claim
178 words
A CARDING AND DRAFTING APPARATUS, WHICH COMPRISES A PLURALITY OF CARDS PRODUCING RESPECTIVE SILVERS AND EACH HAVING A CYLINDER, A DOFFER, AND A LICKER-IN, THE CYLINDER, DOFFER, AND LICKER-IN HAVING RESPECTIVE SHAFTS, THE CARDS BEING ARRANGED IN A ROW WITH THEIR CYLINDER SHAFTS ALIGNED, MEANS FOR COUPLING THE CYLINDER SHAFTS, A PRIME MOVER CONNECTED TO THE COUPLED CYLINDER SHAFTS, MEANS FOR DRIVING THE LICKER-IN SHAFTS, A COUNTER SHAFT PARALLEL TO THE CYLINDER SHAFTS, A DRIVING CONNECTION BETWEEN ONE CYLINDER SHAFT AND THE COUNTERSHAFT, THE DRIVING CONNECTION INCLUDING A CLUTCH, MEANS FOR DRIVING THE DOFFER SHAFTS FROM THE COUNTERSHAFT, A DRAW BOX RECEIVING THE SLIVERS ISSUING FROM THE CARDS AND DISCHARGING A SINGLE DRAFTED SLIVER, A COILER RECEIVING THE DRAFTED SLIVER AND DEPOSITING IT IN A CAN, MEANS FOR DRIVING THE DRAW BOX AND THE COILER FROM THE COUNTERSHAFT, CAN DOFFING MEANS FOR REPLACING A FULL CAN BY AN EMPTY ONE, AND MEANS OPERATING AFTER THE DEPOSIT OF A SELECTED QUANTITY OF SLIVER IN THE CAN TO DISENGAGE THE CLUTCH AND START THE OPERATION OF THE CAN DOFFING MEANS.
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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) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |