Patent US2930477A successfully refreshed from Google Patents.
US2930477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor
Assignee: Link Belt Co
•
Filing: 1957-07-02
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Granted: 1960-03-29
•
Expires: 1977-07-02
Abstract
No abstract record available.
Inventors
- 👤 Herbert E Schrader
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:55
CPC Classifications
B; B65; B65G; B65G19/00; B65G19/14; B65G19/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1559060A
Cited
CH117087A
Cited
US1970289A
Cited
US1995589A
Cited
US2066866A
Cited
US2226989A
Cited
US2756868A
Cited
US2767825A
Cited
US2822915A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |