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US2688878A
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US
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Equipment for rating by volume, weight, and zone
Assignee: CONTINENTAL SILVER Co Inc
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Filing: 1951-03-28
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Granted: 1954-09-14
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Expires: 1971-03-28
Abstract
No abstract record available.
Inventors
- 👤 Kolisch Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:17
CPC Classifications
G; G01; G01F; G01F17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1853198A
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US2025407A
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US2108575A
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US2256833A
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US2341182A
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US2431696A
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US2449019A
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US2571161A
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US2517180A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-13 | 1958-03-15 | 1958-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-13 | 1962-03-15 | 1962-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-13 | 1966-03-15 | 1966-09-14 | $7700.00 | Window Closed / Lapsed |