US3043736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making additive filters
Assignee: Eastman Kodak Co
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Filing: 1959-03-02
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Granted: 1962-07-10
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Expires: 1979-03-02
Abstract
No abstract record available.
Inventors
- 👤 George P Touey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:57
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/06; A24D3/16; A24D3/163; A24D3/02; A24D3/0204; A24D3/0212; A24D3/022; A24D3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
THE METHOD FOR THE CONTINOUS MANUFACTURE OF TOBACCO SMOKE FILTERS WHICH COMPRISES CONTINUOUSLY WITHDRAWING CRIMPED CONTINOUS TOW OF SYNTHETIC SPUN FILAMENTS FROM A PACKAGE OF SUCH TOW, BANDED TOW A WIDTH OF AT LEAST SIX INCHES, APPLYING TI THE BANDED TOW BOTH BONDING AGENT AND POWDERED ADDITIVE, REFORMING THE TOW THUS TREATED INTO THE DESIRED FILTER SHAPE AND WRAPPING THE FILTER WITH A WRAPPER.
Claim 2
Independent Claim
64 words
THE METHOD FOR THE CONTINOUS MANUFACTURE OF TOBACCO SMOKE FILTERS WHICH COMPRISES CONTINUOUSLY WITHDRAWING CRIMPED CONTINOUS TOW OF SYNTHETIC SPUN FILAMENTS FROM A PACKAGE OF SUCH TOW, BANDED TOW A WIDTH OF AT LEAST SIX INCHES, APPLYING TI THE BANDED TOW BOTH BONDING AGENT AND POWDERED ADDITIVE, REFORMING THE TOW THUS TREATED INTO THE DESIRED FILTER SHAPE AND WRAPPING THE FILTER WITH A WRAPPER.
References Cited (Backward Citations)
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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) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |