Patent US3050430A successfully refreshed from Google Patents.
US3050430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet and method of filter manufacture
Assignee: Eastman Kodak Co
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Filing: 1959-11-12
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Granted: 1962-08-21
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Expires: 1979-11-12
Abstract
No abstract record available.
Inventors
- 👤 Gallagher Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:05
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/02; A24D3/0229; A24D3/0233
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
AN APPARATUS FOR MANUFACTURING FILTERS OUT OF CONTINUOUS CRIMPED FILAMENTS COMPRISING A TRUNCATED CONESHAPED JET WITH A LARGE AND A SMALL END, SAID SMALL END BEING IN THE FORM OF A VENTURI LEADING INTO TONGUE COMPACTING MEANS, MEANS FOR CONDUCTING GAS THROUGH SAID JET MEANS FOR MOVING COMPACTED FILAMENTS THROUGH SAID TONGUE COMPACTING MEANS, AND MEANS FOR FEEDING WRAPPING MATERIAL IN CLOSE ASSOCIATION WITH SAID TONGUE COMPACTING MEANS.
Claim 2
Independent Claim
68 words
AN APPARATUS FOR MANUFACTURING FILTERS OUT OF CONTINUOUS CRIMPED FILAMENTS COMPRISING A TRUNCATED CONESHAPED JET WITH A LARGE AND A SMALL END, SAID SMALL END BEING IN THE FORM OF A VENTURI LEADING INTO TONGUE COMPACTING MEANS, MEANS FOR CONDUCTING GAS THROUGH SAID JET MEANS FOR MOVING COMPACTED FILAMENTS THROUGH SAID TONGUE COMPACTING MEANS, AND MEANS FOR FEEDING WRAPPING MATERIAL IN CLOSE ASSOCIATION WITH SAID TONGUE COMPACTING MEANS.
References Cited (Backward Citations)
US2794239A
Cited
US2884756A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |