US2995481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crimped flat material for filter plugs
Assignee: Individual
•
Filing: 1955-04-18
•
Granted: 1961-08-08
•
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
2026-10-26 01:56
CPC Classifications
B; B01; B01D; B01D39/00; B01D39/14; B01D39/16; B01D39/18; A; A24; A24D; A24D3/00; A24D3/02; A24D3/0204; B31; B31F; B31F1/00; B31F1/12; B31F1/128; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1016; Y10T156/102; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24281; Y10T428/24355; Y10T428/24446; Y10T428/24455; Y10T428/24463; Y10T428/24479; Y10T428/24612; Y10T428/24628; Y10T428/24669; Y10T428/24694; Y10T428/24942; Y10T428/24992
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
AS AN ARTICLE OF MANUFACTURE, AN ABSORBENT SHEET FOR MAKING FILTERS FOR CIGARETTES, COMPRISING A WEB OF AN ELONGATED FIBROUS STRIP MATERIAL HAVING A PLURALITY OF PARALLEL ADJACENT STRIPS OF ALTERNATELY GREATER AND LESSER DENSITY OF SAID STRIP MATERIAL EXTENDING SUBSTANTIALLY PARALLEL TO THE LONGITUDINAL DIMENSION OF SAID WEB AND HAVING SUPERPOSED THEREONTO CRIMPING GROOVES, THE CRIMPING RATIO, TAKEN TRANSVERSELY TO THE DIRECTION OF THE GROOVES, OF A STRIP WHEN IN CRIMPED CONDITION TO A CRIMPED STRIP WHEN IRONED FLAT BEING IN THE RANGE OF 1:1 TO 1:2, SAID STRIPS BEING PROVIDED WITH A PLURALITY OF SPACED CRACKS THEREIN RUNNING SUBSTANTIALLY IN THE DIRECTION OF SAID GROOVES.
Claim 2
Dependent Claim
107 words
AS AN ARTICLE OF MANUFACTURE, AN ABSORBENT SHEET FOR MAKING FILTERS FOR CIGARETTES, COMPRISING A WEB OF AN ELONGATED FIBROUS STRIP MATERIAL HAVING A PLURALITY OF PARALLEL ADJACENT STRIPS OF ALTERNATELY GREATER AND LESSER DENSITY OF SAID STRIP MATERIAL EXTENDING SUBSTANTIALLY PARALLEL TO THE LONGITUDINAL DIMENSION OF SAID WEB AND HAVING SUPERPOSED THEREONTO CRIMPING GROOVES, THE CRIMPING RATIO, TAKEN TRANSVERSELY TO THE DIRECTION OF THE GROOVES, OF A STRIP WHEN IN CRIMPED CONDITION TO A CRIMPED STRIP WHEN IRONED FLAT BEING IN THE RANGE OF 1:1 TO 1:2, SAID STRIPS BEING PROVIDED WITH A PLURALITY OF SPACED CRACKS THEREIN RUNNING SUBSTANTIALLY IN THE DIRECTION OF SAID GROOVES.
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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) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |