US2799407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for unloading bulk products
Assignee: WESTERN STAR MILL CO
•
Filing: 1955-02-21
•
Granted: 1957-07-16
•
Expires: 1975-02-21
Abstract
No abstract record available.
Inventors
- 👤 John J Vanier
- 👤 John T Landes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:46
CPC Classifications
B; B65; B65G; B65G65/00; B65G65/30; B65G65/34; B65G65/40; B65G65/46; B65G65/466
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1423698A
Cited
US1954703A
Cited
US2058125A
Cited
US2601049A
Cited
US2630905A
Cited
US2610727A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-15 | 1961-01-14 | 1961-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-15 | 1965-01-14 | 1965-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-15 | 1969-01-14 | 1969-07-16 | $7700.00 | Window Closed / Lapsed |