US2890973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treating tobacco and cigarette paper
Assignee: Individual
•
Filing: 1958-02-19
•
Granted: 1959-06-16
•
Expires: 1978-02-19
Abstract
No abstract record available.
Inventors
- 👤 Fachini Giuseppe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:56
CPC Classifications
D; D21; D21H; D21H5/00; D21H5/12; D21H5/14; D21H5/16; A; A24; A24B; A24B15/00; A24B15/18; A24B15/20; A24B15/28; A24B15/281; A24B15/282; A24B15/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
IN A SMOKING PREPARATION OF TOBACCO, A NEUTRALIZING AGENT CONSISTING OF AT LEAST 0.5 MG. OF BETAPYRIDINCARBOXYLIC ACID, AND AT LEAST 0.5 MG. OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ADENOSINE TRIPHOSPHORIC
Claim 2
Dependent Claim
34 words
IN A SMOKING PREPARATION OF TOBACCO, A NEUTRALIZING AGENT CONSISTING OF AT LEAST 0.5 MG. OF BETAPYRIDINCARBOXYLIC ACID, AND AT LEAST 0.5 MG. OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ADENOSINE TRIPHOSPHORIC
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-15 | 1962-12-15 | 1963-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-15 | 1966-12-15 | 1967-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-15 | 1970-12-15 | 1971-06-16 | $7700.00 | Window Closed / Lapsed |