US2488872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Belt for belt conveyers
Assignee: SUZANNE BERTHE MATHIEU
•
Filing: 1946-03-15
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Granted: 1949-11-22
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Expires: 1966-03-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:22
CPC Classifications
B; B65; B65G; B65G15/00; B65G15/30; B65G15/32; B65G15/34; B65G15/36; B65G2201/00; B65G2201/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US344563A
Cited
US1370379A
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US945616A
Cited
US989952A
Cited
US1211350A
Cited
GB129780A
Cited
US1354553A
Cited
GB308082A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-21 | 1953-05-23 | 1953-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-21 | 1957-05-23 | 1957-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-21 | 1961-05-23 | 1961-11-22 | $7700.00 | Window Closed / Lapsed |