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Patent US3119489A successfully refreshed from Google Patents.
US3119489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor power chain
Assignee: Columbus McKinnon Corp
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Filing: 1958-11-20
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Granted: 1964-01-28
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Expires: 1978-11-20
Abstract
No abstract record available.
Inventors
- 👤 Loren W Lerch
- 👤 Humphrey F Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:39
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/30; B65G17/38; B65G17/42; B65G17/32; B65G17/323; B65G2201/00; B65G2201/02
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) | 1967-01-27 | 1967-07-29 | 1968-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-27 | 1971-07-29 | 1972-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-27 | 1975-07-29 | 1976-01-28 | $7700.00 | Window Closed / Lapsed |