US2789733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibrating feeder
Assignee: Individual
•
Filing: 1954-07-02
•
Granted: 1957-04-23
•
Expires: 1974-07-02
Abstract
No abstract record available.
Inventors
- 👤 Jr William L Secord
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:26
CPC Classifications
B; B65; B65G; B65G65/00; B65G65/30; B65G65/34; B65G65/40; B65G65/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US528077A
Cited
US631485A
Cited
US1200866A
Cited
US1188323A
Cited
GB242277A
Cited
US1868404A
Cited
US2144382A
Cited
US2539070A
Cited
US2696905A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-22 | 1960-10-22 | 1961-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-22 | 1964-10-22 | 1965-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-22 | 1968-10-22 | 1969-04-23 | $7700.00 | Window Closed / Lapsed |