US2863575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage hoppers
Assignee: Individual
•
Filing: 1952-12-31
•
Granted: 1958-12-09
•
Expires: 1972-12-31
Abstract
No abstract record available.
Inventors
- 👤 Samuel H Vasold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:18
CPC Classifications
B; B65; B65G; B65G69/00; B65G69/04; B65G69/0441; B65G2814/00; B65G2814/02; B65G2814/0241; B65G2814/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US86410A
Cited
US747897A
Cited
US1605070A
Cited
US2089992A
Cited
US1960797A
Cited
US2146409A
Cited
US2246654A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |