US2494302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Articulated conveyer
Assignee: Individual
•
Filing: 1945-11-05
•
Granted: 1950-01-10
•
Expires: 1965-11-05
Abstract
No abstract record available.
Inventors
- 👤 James J Mason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:13
CPC Classifications
B; B65; B65G; B65G13/00; B65G13/11; B65G13/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1149647A
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US993737A
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FR550601A
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US1487634A
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US1809251A
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US1906288A
Cited
US1935734A
Cited
US2172381A
Cited
US2262443A
Cited
US2346659A
Cited
US2307389A
Cited
US2384959A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |