US2570757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Handling bagged materials
Assignee: International Smelting and Refining Co
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Filing: 1946-07-18
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Granted: 1951-10-09
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Expires: 1966-07-18
Abstract
No abstract record available.
Inventors
- 👤 Reginald G Bowman
- 👤 Jr William J Knox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:14
CPC Classifications
B; B65; B65D; B65D19/00; B65D19/0004; B65D19/0006; B65D19/003; B65D19/0032; B65D19/0036; B65D19/0038; B65D19/38; B65D19/44; B65D71/00; B65D71/0088; B65D71/0092; B65D71/0096; B65D2519/00; B65D2519/00004; B65D2519/00009; B65D2519/00014; B65D2519/00019; B65D2519/00034; B65D2519/00049; B65D2519/00054; B65D2519/00069; B65D2519/00258; B65D2519/00263; B65D2519/00268; B65D2519/00283; B65D2519/00293; B65D2519/00313; B65D2519/00323; B65D2519/00328; B65D2519/00333; B65D2519/00368; B65D2519/00373; B65D2519/00547; B65D2519/00552; B65D2519/00557; B65D2519/00562; B65D2519/00736; B65D2519/0081; B65D2519/00815; B65D2519/00935; B65D2519/0094; Y; Y10; Y10S; Y10S414/00; Y10S414/10; Y10S414/12
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) | 1954-10-08 | 1955-04-09 | 1955-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-08 | 1959-04-09 | 1959-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-08 | 1963-04-09 | 1963-10-09 | $7700.00 | Window Closed / Lapsed |