US2875888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Belt conveyor and drive therefor
Assignee: SAM MULKEY Co
•
Filing: 1956-01-13
•
Granted: 1959-03-03
•
Expires: 1976-01-13
Abstract
No abstract record available.
Inventors
- 👤 William J Swain
- 👤 Rubin D Garnett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:49
CPC Classifications
B; B65; B65G; B65G23/00; B65G23/32; B65G23/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE17380E
Cited
US1497619A
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US1433958A
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US1558300A
Cited
US1888309A
Cited
US2592915A
Cited
US2490538A
Cited
US2663404A
Cited
US2697509A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |