Patent US3117925A successfully refreshed from Google Patents.
US3079978A
Expired / Lapsed
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Apparatus for manufacturing filters
Assignee: Eastman Kodak Co
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Filing: 1959-05-20
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Granted: 1963-03-05
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Expires: 1979-05-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Phara L Cobb
- 👤 Melvin R Hargrave
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:33
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/02; A24D3/0204; A24D3/0212; A24D3/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
AN APPARATUS FOR SOFTENING AND FORMING A RUNNING LENGTH OF A BUNDLE OF LOOSELY-POSITIONED SYNTHETIC THERMOPLASTIC FILAMENTS INTO ROD-LIKE FILTER ELEMENTS, WHICH APPARATUS COMPRISES AN ELONGATED CHAMBER-LIKE STRUCTURE, ENTRANCE MEANS ON ONE END OF THE STRUCTURE OF SUFFICIENT DIAMETER TO RECEIVE THE BUNDLE OF LOOSELY-POSITIONED FILAMENTS, A PLURALITY OF SPRAY MEANS FOR SPRAYING INTO THE INTERIOR OF THE STRUCTURE POSITIONED BEYOND SAID ENTRANCE SO AS TO SPRAY ONTO MORE THAN ONE SIDE OF SAID BUNDLE OF FILAMENTS, A CIRCULAR EXIT ORIFICE ASSOCIATED WITH THE END OF THE STRUCTURE OPPOSITE THE ENTRANCE, SAID EXIT BEING OF SMALLER DIAMETER THAN THE ENTRANCE AND HEATING MEANS
Claim 2
Independent Claim
103 words
AN APPARATUS FOR SOFTENING AND FORMING A RUNNING LENGTH OF A BUNDLE OF LOOSELY-POSITIONED SYNTHETIC THERMOPLASTIC FILAMENTS INTO ROD-LIKE FILTER ELEMENTS, WHICH APPARATUS COMPRISES AN ELONGATED CHAMBER-LIKE STRUCTURE, ENTRANCE MEANS ON ONE END OF THE STRUCTURE OF SUFFICIENT DIAMETER TO RECEIVE THE BUNDLE OF LOOSELY-POSITIONED FILAMENTS, A PLURALITY OF SPRAY MEANS FOR SPRAYING INTO THE INTERIOR OF THE STRUCTURE POSITIONED BEYOND SAID ENTRANCE SO AS TO SPRAY ONTO MORE THAN ONE SIDE OF SAID BUNDLE OF FILAMENTS, A CIRCULAR EXIT ORIFICE ASSOCIATED WITH THE END OF THE STRUCTURE OPPOSITE THE ENTRANCE, SAID EXIT BEING OF SMALLER DIAMETER THAN THE ENTRANCE AND HEATING MEANS
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) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |