Patent US2883990A successfully refreshed from Google Patents.
US2883990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cigarette element for tobacco smoke
Assignee: Ethicon Inc
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Filing: 1958-02-14
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Granted: 1959-04-28
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Expires: 1978-02-14
Abstract
No abstract record available.
Inventors
- 👤 Nichols Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:25
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/06; A24D3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
THE IMPROVED METHOD OF TREATING TOBACCO SMOKE RESULTING FROM THE COMBUSTION OF TOBACCO DURING THE ACT OF SMOKING, COMPRISING BRINGING THE TOBACCO SMOKE BETWEEN THE BURNING TOBACCO AND THE MOUTH OF THE SMOKER, INTO CONTACT WITH COLLAGEN WHEREBY NOXIOUS SUBSTANCES OF THE TOBACCO SMOKE ARE SELECTIVELY ABSORBED.
Claim 2
Dependent Claim
47 words
THE IMPROVED METHOD OF TREATING TOBACCO SMOKE RESULTING FROM THE COMBUSTION OF TOBACCO DURING THE ACT OF SMOKING, COMPRISING BRINGING THE TOBACCO SMOKE BETWEEN THE BURNING TOBACCO AND THE MOUTH OF THE SMOKER, INTO CONTACT WITH COLLAGEN WHEREBY NOXIOUS SUBSTANCES OF THE TOBACCO SMOKE ARE SELECTIVELY ABSORBED.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |