US2731128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic feed conveyors
Assignee: Barry Wehmiller Co Inc
•
Filing: 1951-10-04
•
Granted: 1956-01-17
•
Expires: 1971-10-04
Abstract
No abstract record available.
Inventors
- 👤 James L Herold
- 👤 William J Nekola
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:04
CPC Classifications
B; B65; B65G; B65G47/00; B65G2811/00; B65G2811/06; B65G2811/0673; B65G2811/0689; B65G2811/0694
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2183433A
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US2333576A
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US2380910A
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US2437214A
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GB621369A
Cited
US2671550A
Cited
US2646870A
Cited
US2535804A
Cited
US2526983A
Cited
US2690831A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |