US2446573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction feeder
Assignee: Individual
•
Filing: 1946-08-30
•
Granted: 1948-08-10
•
Expires: 1966-08-30
Abstract
No abstract record available.
Inventors
- 👤 Emmett T Cameron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:22
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/88; E02F3/90; E02F3/92; E02F3/9256; E02F3/9268; E02F3/9281; B; B65; B65G; B65G53/00; B65G53/34; B65G53/40; B65G53/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1400658A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-10 | 1952-02-09 | 1952-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-10 | 1956-02-09 | 1956-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-10 | 1960-02-09 | 1960-08-10 | $7700.00 | Window Closed / Lapsed |