Patent US3602232A successfully refreshed from Google Patents.
US3602232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for compensating the incomplete nonhomogeneous burning process of tobacco preferably in the form of cigarettes
Assignee: Individual
•
Filing: 1969-03-21
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Granted: 1971-08-31
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Expires: 1989-03-21
Abstract
Abstract A tobacco smoking device particularly in the form of cigarettes having an insert member disposed behind the tobacco filler for deviating the smoke radially outwardly within the envelope.
Inventors
- 👤 Kurt Grauvogel
- 👤 Herbert Jahnke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:11
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/04; A24D3/045
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
132 words
A tobacco smoking device such as a cigarette or a cigar comprising in combination: a. a tubular wrapper portion; b. a tobacco filler within said wrapper portion; c. an insert member of impervious, neutral tasting material within said wrapper portion and disposed downstream of said tobacco filler, said insert member being surrounded by a series of circumferentially spaced, smoke-directing, narrow channels and having a downstream extension of concentrically diminishing shape; d. a free space disposed within said wrapper portion surrounding a portion of said insert member and e. a filter downstream of said free space, said insert member also having an upstream extension, said extension comprising two convex surfaces which respectively engage said filter on one side and said tobacco filler on the other side to maintain said insert member in position.
Claim 2
Dependent Claim
132 words
A tobacco smoking device such as a cigarette or a cigar comprising in combination: a. a tubular wrapper portion; b. a tobacco filler within said wrapper portion; c. an insert member of impervious, neutral tasting material within said wrapper portion and disposed downstream of said tobacco filler, said insert member being surrounded by a series of circumferentially spaced, smoke-directing, narrow channels and having a downstream extension of concentrically diminishing shape; d. a free space disposed within said wrapper portion surrounding a portion of said insert member and e. a filter downstream of said free space, said insert member also having an upstream extension, said extension comprising two convex surfaces which respectively engage said filter on one side and said tobacco filler on the other side to maintain said insert member in position.
Claim 3
Dependent Claim
32 words
A tobacco smoking device according to claim 1 wherein said circumferentially arranged narrow channels being formed by grooves pressed into a strip surrounding and contacting the outer surface of said insert member.
Claim 4
Dependent Claim
131 words
A tobacco smoking device such as a cigarette or cigar, comprising in combination: a. a tubular wrapper portion; b. a tobacco filler within said wrapper portion; c. an insert member of impervious, neutral tasting material within said wrapper portion and disposed downstream of said tobacco filler, said insert member being surrounded by a series of circumferentiaLly spaced, smoke-directing narrow channels and having a downstream extension of concentrically diminishing shape; d. a free space disposed within said wrapper portion surrounding a portion of said insert member; and e. a filter downstream of said free space, said insert member also having an upstream extension, said extensions comprising two pointed extensions which respectively engage said filter on one side and said tobacco filler on the other side to maintain said insert member in position.
Claim 5
Dependent Claim
131 words
A tobacco smoking device such as a cigarette or cigar, comprising in combination: a. a tubular wrapper portion; b. a tobacco filler within said wrapper portion; c. an insert member of impervious, neutral tasting material within said wrapper portion and disposed downstream of said tobacco filler, said insert member being surrounded by a series of circumferentiaLly spaced, smoke-directing narrow channels and having a downstream extension of concentrically diminishing shape; d. a free space disposed within said wrapper portion surrounding a portion of said insert member; and e. a filter downstream of said free space, said insert member also having an upstream extension, said extensions comprising two pointed extensions which respectively engage said filter on one side and said tobacco filler on the other side to maintain said insert member in position.
Claim 6
Dependent Claim
53 words
A tobacco smoking device according to claim 3 wherein said insert member has a cylindrical portion between said two extensions, said circumferentially arranged narrow channels being formed by a series of grooves provided in the surface of said cylindrical portion on the one part and by said wrapper portion on the other part.
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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) | 1974-08-30 | 1975-03-01 | 1975-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-30 | 1979-03-01 | 1979-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-30 | 1983-03-01 | 1983-08-31 | $7700.00 | Window Closed / Lapsed |