US2707960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filters for cigarettes, cigars or cheroots
Assignee: Individual
•
Filing: 1953-02-17
•
Granted: 1955-05-10
•
Expires: 1973-02-17
Abstract
No abstract record available.
Inventors
- 👤 Janecke Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:02
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/04; G; G04; G04F; G04F7/00; G04F7/04; G04F7/06; H; H01; H01B; H01B1/00; H01B1/14; H01B1/18; H05; H05B; H05B41/00; H05B41/14; H05B41/16; H05B41/20; H05B41/22; H05B41/24
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
51 words
A FILTER FOR CIGARETTS, CIGARS OF CHEROOTS COMPRISING A CYLINDRICAL CASING, TWO PARTS MADE OF VISCOSE SPONGE AND A THIRD PART MADE TO ABSORBENT COTTON, ALL SAID PARTS BEING DISPOSED IN AND RETAINED BY SAID CYLINDRICAL CASING, AND SAID COTTON PART BEING DISPOSED BETWEEN THE TWO PARTS MADE OF VISCOSE SPONG.
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) | 1958-05-09 | 1958-11-08 | 1959-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-09 | 1962-11-08 | 1963-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-09 | 1966-11-08 | 1967-05-10 | $7700.00 | Window Closed / Lapsed |