US2730236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Assay test sieve shaker
Assignee: Syntron Co
•
Filing: 1950-12-18
•
Granted: 1956-01-10
•
Expires: 1970-12-18
Abstract
No abstract record available.
Inventors
- 👤 Edward J Missien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:35
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/28; B07B1/38; B07B2201/00; B07B2201/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US639834A
Cited
US1779451A
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AT138216B
Cited
GB445113A
Cited
US2284671A
Cited
US2358453A
Cited
US2385328A
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GB571615A
Cited
US2412840A
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US2367478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |