US3559466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Direct readout deflection meter
Assignee: Liggett Group LLC
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Filing: 1968-06-07
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Granted: 1971-02-02
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Expires: 1988-06-07
Abstract
Abstract THIS INVENTION RELATES TO A DEVICE FOR MEASURING THE FIRMNESS OF A CIGARETTE, CIGARETTE FILTER ROD, OR SIMILAR TEST SPECIMEN. BASICALLY, THE DEVICE IS A MECHANISM COMPRISED OF AN ASSEMBLY OF LEVERS WHICH MOUNT A WEIGHT OF PREDETERMINED MASS AND AN APPARATUS TO ACCURATELY MEASURE THE FIRMNESS OF THE TEST SPECIMEN. IN OPERATION, THE WEIGHT REACTS, THROUGH THE ASSEMBLY OF LEVERS, TO COMPRESS THE TEST SPECIMEN WHILE THE MEASURING APPARATUS SENSES AND MEASURES THE ATTENDANT DEPRESSION OF THE TEST SPECIMEN.
Inventors
- 👤 Donald A Calleson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:41
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/40; G01N3/42; A; A24; A24C; A24C5/00; A24C5/32; A24C5/34; A24C5/343
Claims Analysis
Total Claims: 0
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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) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |