US3297041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tobacco smoke filter or the like
Assignee: Filtrona Richmond Inc
•
Filing: 1965-03-15
•
Granted: 1967-01-10
•
Expires: 1985-03-15
Abstract
No abstract record available.
Inventors
- 👤 Reavis C Sproull
- 👤 Richard M Berger
- 👤 John B Lynch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:02
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/06; A24D3/16; A24D3/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A TOBACCO SMOKE FILTER BODY OR THE LIKE CONSISTING ESSENTIALLY OF A MULTITUDE OF FIBERS RANDOMLY DISPOSED IN SAID FILTER BODY AND FREE OF ANY SUBSTANTIAL DIRECTIONAL ORIENTATION WITHIN SAID BODY, SAID FIBERS HAVING A LENGTH SUBSTANTIALLY SHORTER THAN THE MINIMUM DIMENSION OF SAID FILTER BODY, AND A BONDING AGENT WITHIN SAID BODY RANDOMLY BONDING SAID FIBERS TOGETHER, SAID BONDING AGENT BEING AT LEAST SUBSTANTIALLY UNIFORMLY DISPERSED WITHIN SAID FILTER BODY, SAID BONDING AGENT JOINING SAID FIBERS AT SPACED LOCATIONS AND COVERING ONLY A MINOR PORTION OF THE SURFACE OF THE INDIVIDUAL FIBERS, SAID BONDING AGENT BEING FREE OF ANY SUBSTANTIAL DIRECTIONAL ORIENTATION WITHIN SAID BODY.
Claim 2
Dependent Claim
106 words
A TOBACCO SMOKE FILTER BODY OR THE LIKE CONSISTING ESSENTIALLY OF A MULTITUDE OF FIBERS RANDOMLY DISPOSED IN SAID FILTER BODY AND FREE OF ANY SUBSTANTIAL DIRECTIONAL ORIENTATION WITHIN SAID BODY, SAID FIBERS HAVING A LENGTH SUBSTANTIALLY SHORTER THAN THE MINIMUM DIMENSION OF SAID FILTER BODY, AND A BONDING AGENT WITHIN SAID BODY RANDOMLY BONDING SAID FIBERS TOGETHER, SAID BONDING AGENT BEING AT LEAST SUBSTANTIALLY UNIFORMLY DISPERSED WITHIN SAID FILTER BODY, SAID BONDING AGENT JOINING SAID FIBERS AT SPACED LOCATIONS AND COVERING ONLY A MINOR PORTION OF THE SURFACE OF THE INDIVIDUAL FIBERS, SAID BONDING AGENT BEING FREE OF ANY SUBSTANTIAL DIRECTIONAL ORIENTATION WITHIN SAID BODY.
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |