US2859861A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Articulated belt conveyor
Assignee: Individual
•
Filing: 1955-03-21
•
Granted: 1958-11-11
•
Expires: 1975-03-21
Abstract
No abstract record available.
Inventors
- 👤 Sheehan Robert Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:34
CPC Classifications
B; B65; B65G; B65G15/00; B65G15/30; B65G15/54; B65G2201/00; B65G2201/02; B65G2812/00; B65G2812/02; B65G2812/02267; B65G2812/02277; B65G2812/02326; B65G2812/02376; B65G2812/02386
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US747090A
Cited
US1548278A
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US1692832A
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US2278361A
Cited
US2250933A
Cited
US2377155A
Cited
US2494302A
Cited
GB611784A
Cited
US2446890A
Cited
US2757786A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |