US2739600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tobacco treatment
Assignee: AMF Inc
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Filing: 1955-07-01
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Granted: 1956-03-27
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Expires: 1975-07-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Ludwig A Staib
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:29
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/10; A24B15/12; A24B15/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
IN THE MANUFACTURE OF TOBACCO SHEET MATERIAL WHEREIN TOBACCO IS CONTACTED WITH POLYSACCHARIDE ADHESIVE MATERIAL THE STEPS OF HEATING FINELY DIVIDED TOBACCO TO A TEMPERATURE BETWEEN 60* C. AND 160* C. FOR A TIME GREATER THAN FIFTEEN MINUTES AND LESS THAN SIX HOURS AND THEN CONTACTING SAID HEAT TREATED FINELY DIVIDED TOBACCO WITH POLYSACCHARIDE ADHESIVE MATERIAL.
Claim 2
Dependent Claim
56 words
IN THE MANUFACTURE OF TOBACCO SHEET MATERIAL WHEREIN TOBACCO IS CONTACTED WITH POLYSACCHARIDE ADHESIVE MATERIAL THE STEPS OF HEATING FINELY DIVIDED TOBACCO TO A TEMPERATURE BETWEEN 60* C. AND 160* C. FOR A TIME GREATER THAN FIFTEEN MINUTES AND LESS THAN SIX HOURS AND THEN CONTACTING SAID HEAT TREATED FINELY DIVIDED TOBACCO WITH POLYSACCHARIDE ADHESIVE MATERIAL.
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) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |