Patent US3094450A successfully refreshed from Google Patents.
US3094450A
Expired / Lapsed
US
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Method of making a cylindrical filter element for cigarette tips
Assignee: Individual
•
Filing: 1959-06-05
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Granted: 1963-06-18
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Expires: 1979-06-05
Abstract
No abstract record available.
Inventors
- 👤 Davidson Glenn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:48
CPC Classifications
A; A24; A24D; A24D3/00; A24D3/02; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1023; Y10T156/1036; Y10T156/1052; Y10T156/1082
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
IN A METHOD OF MAKING CYLINDRICAL FILTER ELEMENTS FOR CIGARETTE TIPS, THE STEPS OF FORMING A SHEET OF WADDING, IMPRESSING SAID SHEET ALONG A PLURALITY OF PARALLEL LINES SPACED FROM EACH OTHER A DISTANCE EQUAL TO TWICE THE WIDTH OF THE DESIRED FILTER ELEMENT, SUFFICIENT PRESSURE BEING APLIED IN IMPRESSING SAID SHEET TO FORM CLOELY COMPACTED SECTIONS RESPECTIVELY AT THE OCCURRENCES OF SAID LINES, SEVERING THE SHEET ON LINES AT RIGHT ANGLES TO SAID COMPACTED SECTIONS TO FORM RIBBONS OF A WIDTH APPROXIMATELY EQUAL TO THE DESIRED CIRCUMFERENCE OF SAID FILTER ELEMENT, ROLLING A RIBBON THUS PRODUCED ABOUT A LINE LENGTHWISE THEREOF TO FORM A CYLINDRICAL BODY, AND SEVERING SAID CYLINDRICAL BODY TRANSVERSELY MID-WAY BETWEEN THE COMPACTED SECTIONS OF THE SAME.
Claim 2
Dependent Claim
121 words
IN A METHOD OF MAKING CYLINDRICAL FILTER ELEMENTS FOR CIGARETTE TIPS, THE STEPS OF FORMING A SHEET OF WADDING, IMPRESSING SAID SHEET ALONG A PLURALITY OF PARALLEL LINES SPACED FROM EACH OTHER A DISTANCE EQUAL TO TWICE THE WIDTH OF THE DESIRED FILTER ELEMENT, SUFFICIENT PRESSURE BEING APLIED IN IMPRESSING SAID SHEET TO FORM CLOELY COMPACTED SECTIONS RESPECTIVELY AT THE OCCURRENCES OF SAID LINES, SEVERING THE SHEET ON LINES AT RIGHT ANGLES TO SAID COMPACTED SECTIONS TO FORM RIBBONS OF A WIDTH APPROXIMATELY EQUAL TO THE DESIRED CIRCUMFERENCE OF SAID FILTER ELEMENT, ROLLING A RIBBON THUS PRODUCED ABOUT A LINE LENGTHWISE THEREOF TO FORM A CYLINDRICAL BODY, AND SEVERING SAID CYLINDRICAL BODY TRANSVERSELY MID-WAY BETWEEN THE COMPACTED SECTIONS OF THE SAME.
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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) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |