US2519089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tobacco feed control mechanism
Assignee: AMF Inc
•
Filing: 1944-07-20
•
Granted: 1950-08-15
•
Expires: 1964-07-20
Abstract
No abstract record available.
Inventors
- 👤 Uncas A Whitaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:12
CPC Classifications
A; A24; A24C; A24C5/00; A24C5/32; A24C5/34; A24C5/3412; Y; Y10; Y10S; Y10S131/00; Y10S131/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US854140A
Cited
US1708074A
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US1810932A
Cited
GB289343A
Cited
GB331333A
Cited
US1864728A
Cited
US2162443A
Cited
DE662003C
Cited
US2163415A
Cited
GB506883A
Cited
DE701053C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-14 | 1954-02-13 | 1954-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-14 | 1958-02-13 | 1958-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-14 | 1962-02-13 | 1962-08-15 | $7700.00 | Window Closed / Lapsed |