Patent US2931748A successfully refreshed from Google Patents.
US2931748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crimped flat material for filter plugs for cigarettes
Assignee: Individual
•
Filing: 1955-04-18
•
Granted: 1960-04-05
•
Expires: 1975-04-18
Abstract
No abstract record available.
Inventors
- 👤 Muller Paul Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:39
CPC Classifications
B; B01; B01D; B01D39/00; B01D39/14; B01D39/16; B01D39/18; A; A24; A24D; A24D3/00; A24D3/02; A24D3/0204; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24281; Y10T428/24289; Y10T428/24355; Y10T428/24479; Y10T428/24612; Y10T428/31504; Y10T428/31826; Y10T428/31841; Y10T428/31855; Y10T428/3188; Y10T428/31931
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A WEB FOR USE IN THE PRODUCTION OF FILTER PLUGS FOR CIGARETTES, COMPRISING A LONGITUDINAL BAND OF FIBROUS ABSORBENT MATERIAL PROVIDED WITH A PLURALITY OF JUXTAPOSED STRIP SECTIONS, AT LEAST ONE OF SAID STRIP SECTIONS BEING PROVIDED WITH LONGITUDINAL CRIMPING GROOVES, THE OTHER OF SAID STRIP SECTIONS BEIONG ALSO PROVIDED WITH GROOVES AND ADDITIONALLY WITH A PLURALITY OF CRACKS AT SPACED LOCATIONS AND RUNNING SUBSTANTIALLY IN THE DIRECTION OF SAID GROOVES, WHEREBY ALL OF SIDE STRIP SECTIONS ARE STRUCTURALLY DEFORMED TO DIFFERENT DEGREES, SO THAT BOTH STIFFNESS AND MOISTURE ATTRACTING PROPERTIES OF SAID JUXTAPOSED STRIP SECTIONS DIFFER FROM ONE ANOTHER IN M AGNITUDE AND UNIFORMITY, SAID BAND COMPRISING AT LEAST TWO LAYERS MADE OF SAID MATERIAL, SAID CRIMPING GROOVES BEING APPLIED TO EACH OF SAID LAYERS SAID CRIMPING GROOVES OF ONE OF SAID LAYERS BEING STAGGERED WITH RESPECT TO THE CRIMPING GROOVES OF ANOTHER OF SAID LAYERS.
Claim 2
Dependent Claim
147 words
A WEB FOR USE IN THE PRODUCTION OF FILTER PLUGS FOR CIGARETTES, COMPRISING A LONGITUDINAL BAND OF FIBROUS ABSORBENT MATERIAL PROVIDED WITH A PLURALITY OF JUXTAPOSED STRIP SECTIONS, AT LEAST ONE OF SAID STRIP SECTIONS BEING PROVIDED WITH LONGITUDINAL CRIMPING GROOVES, THE OTHER OF SAID STRIP SECTIONS BEIONG ALSO PROVIDED WITH GROOVES AND ADDITIONALLY WITH A PLURALITY OF CRACKS AT SPACED LOCATIONS AND RUNNING SUBSTANTIALLY IN THE DIRECTION OF SAID GROOVES, WHEREBY ALL OF SIDE STRIP SECTIONS ARE STRUCTURALLY DEFORMED TO DIFFERENT DEGREES, SO THAT BOTH STIFFNESS AND MOISTURE ATTRACTING PROPERTIES OF SAID JUXTAPOSED STRIP SECTIONS DIFFER FROM ONE ANOTHER IN M AGNITUDE AND UNIFORMITY, SAID BAND COMPRISING AT LEAST TWO LAYERS MADE OF SAID MATERIAL, SAID CRIMPING GROOVES BEING APPLIED TO EACH OF SAID LAYERS SAID CRIMPING GROOVES OF ONE OF SAID LAYERS BEING STAGGERED WITH RESPECT TO THE CRIMPING GROOVES OF ANOTHER OF SAID LAYERS.
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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) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |