US1756653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furnace-charging conveyer
Assignee: American Sheet and Tin Plate Co
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Filing: 1928-10-19
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Granted: 1930-04-29
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Expires: 1948-10-19
Abstract
No abstract record available.
Inventors
- 👤 Arthur R Mcarthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:49
CPC Classifications
F; F27; F27B; F27B9/00; F27B9/14; F27B9/20; F27B9/24; F27B9/2407; B; B65; B65G; B65G13/00; B65G13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-04-28 | 1933-10-28 | 1934-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-04-28 | 1937-10-28 | 1938-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-04-28 | 1941-10-28 | 1942-04-29 | $7700.00 | Window Closed / Lapsed |