Patent US3196881A successfully refreshed from Google Patents.
US3196881A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cigarette holder
Assignee: Individual
•
Filing: 1964-05-11
•
Granted: 1965-07-27
•
Expires: 1984-05-11
Abstract
No abstract record available.
Inventors
- 👤 Harry E Walters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:32
CPC Classifications
A; A24; A24F; A24F13/00; A24F13/02; A24F13/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
125 words
IN A HOLDER, A MOUTHPIECE, A VALVE SHANK, AND A VALVE SLEEVE ALL POSITIONED IN TANDEM, SAID VALVE SHANK BEING FORMED WITH A RECESS AT ONE END FOR ENGAGING AN ARTICLE TO BE SMOKED AND A PLURALITY OF SPACED GROOVES AT ITS OPPOSITE END DEFINING A BAFFLE, SAID VALVE SHANK HAVING A FIRST PASSAGE THEREIN FOR COMMUNICATING WITH THE FIRST OF SAID SPACED GROOVES AND WITH SAID RECESS THEREIN AND A SECOND PASSAGE THEREIN COMMUNICATING WITH THE LAST OF SAID SPACED GROOVES IN SAID VALVE SHANK AND WITH SAID MOUTHPIECE SAID VALVE SLEEVE BEING FORMED WITH COUNTERBORED SPIRAL PORTION IN ONE END THEREOF AND A BREATHER HOLE COMMUNICATING SAID COUNTERBORED SPIRAL TO THE EXTERIOR OF SAID VALVE SLEEVE, SAID VALVE SHANK HAVING A LONGITUDINAL SLOT
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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |