US2932391A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cigarette rod density measuring apparatus
Assignee: AMF Inc
•
Filing: 1951-08-02
•
Granted: 1960-04-12
•
Expires: 1971-08-02
Abstract
No abstract record available.
Inventors
- 👤 William C Broekhuysen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:55
CPC Classifications
A; A24; A24C; A24C5/00; A24C5/32; A24C5/34; A24C5/3412; G; G01; G01N; G01N23/00; G01N23/02; G01N23/06; G01N23/18; G01N23/16; Y; Y10; Y10S; Y10S131/00; Y10S131/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1864728A
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US2488269A
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US2656476A
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US2704079A
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US2640788A
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US2737186A
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US2742150A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |