US2700451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Line-shaft roller conveyer with shiftable bearings
Assignee: United States Steel Corp
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Filing: 1953-08-07
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Granted: 1955-01-25
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Expires: 1973-08-07
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Burkhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:26
CPC Classifications
B; B65; B65G; B65G13/00; B65G13/02; B65G13/04; B65G13/06; B65G13/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-24 | 1958-07-26 | 1959-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-24 | 1962-07-26 | 1963-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-24 | 1966-07-26 | 1967-01-25 | $7700.00 | Window Closed / Lapsed |