US2570927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weight carrying conveyer for foundries
Assignee: FELLOWS
•
Filing: 1948-05-14
•
Granted: 1951-10-09
•
Expires: 1968-05-14
Abstract
No abstract record available.
Inventors
- 👤 Harrison E Fellows
- 👤 Maurice O Holtan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:00
CPC Classifications
B; B22; B22D; B22D33/00; B22D33/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1703829A
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US1119680A
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US1566251A
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US1734174A
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US1930607A
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US2068835A
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US2141125A
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US2154967A
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US2344476A
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US2471347A
Cited
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 |