US2539792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Belt conveyer structure
Assignee: Kennedy-Van Saun Manufacturing & Eng Corp
•
Filing: 1947-03-04
•
Granted: 1951-01-30
•
Expires: 1967-03-04
Abstract
No abstract record available.
Inventors
- 👤 Niemitz Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:27
CPC Classifications
B; B65; B65G; B65G39/00; B65G39/02; B65G39/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1446312A
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US1499832A
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US1772711A
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US1833179A
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US1958412A
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US2022272A
Cited
US2074901A
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US2207790A
Cited
US2437499A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-29 | 1954-07-31 | 1955-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-29 | 1958-07-31 | 1959-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-29 | 1962-07-31 | 1963-01-30 | $7700.00 | Window Closed / Lapsed |