US2707314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of reclaiming granular material
Assignee: Simpson Herbert Corp
•
Filing: 1951-10-23
•
Granted: 1955-05-03
•
Expires: 1971-10-23
Abstract
No abstract record available.
Inventors
- 👤 Horth Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:46
CPC Classifications
B; B22; B22C; B22C5/00; B22C5/10; B22C5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1135795A
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US1114619A
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US1098349A
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GB376760A
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US2012694A
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US2309036A
Cited
US2441724A
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US2516161A
Cited
US2478461A
Cited
US2553234A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-02 | 1958-11-01 | 1959-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-02 | 1962-11-01 | 1963-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-02 | 1966-11-01 | 1967-05-03 | $7700.00 | Window Closed / Lapsed |