US2687799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Troughing roller standard
Assignee: CONVEYOR Co Inc
•
Filing: 1949-01-03
•
Granted: 1954-08-31
•
Expires: 1969-01-03
Abstract
No abstract record available.
Inventors
- 👤 Walter E Saxe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:18
CPC Classifications
B; B65; B65G; B65G39/00; B65G39/02; B65G39/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US801521A
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US1111474A
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US1266363A
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US1518413A
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FR569706A
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US1742453A
Cited
US1793190A
Cited
US1931998A
Cited
US1949817A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |