Patent US2940401A successfully refreshed from Google Patents.
US2940401A
Expired / Lapsed
US
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Conveyor systems
Assignee: Geo W King Ltd
•
Filing: 1958-07-22
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Granted: 1960-06-14
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Expires: 1978-07-22
Abstract
No abstract record available.
Inventors
- 👤 Burrows Arthur Thomas Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:27
CPC Classifications
B; B61; B61B; B61B10/00; B61B10/001; B61B10/002; B61B10/005; B61B10/02; B61B10/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1917837A
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US2101353A
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US2572011A
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US2684039A
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US2688935A
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US2844105A
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US2782727A
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US2812724A
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US2845034A
Cited
US2840006A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |