US3348140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measurement of moisture content in sand and like materials
Assignee: British Cast Iron Research Association
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Filing: 1963-01-30
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Granted: 1967-10-17
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Expires: 1983-01-30
Abstract
No abstract record available.
Inventors
- 👤 Ronald G Godding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:32
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/22; G01N27/223; G01N22/00; G01N22/04; G01N27/225
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
THE CONTINUOUS METHOD OF DETERMINING THE WATER CONTENT OF GRANULAR MATERIAL SUCH AS MOULDING SAND WHICH COMPRISE EXTRACTING SUCCESSIVE SAMPLES FROM A BODY OF THE GRANULAR MATERIAL, SUCCESSIVELY ADDING SAID SAMPLES INDIVIDUALLY ONTO A PREVIOUSLY COMPRESSED CHARGE OF MATERIAL, COMPRESSING THE SAMPLES ONTO THE CHARGE MATERIAL IN QUICK SUCCESSION TO A PREDETERMINED PRESSURE AT LEAST SUFFICIENT TO ENSURE APPROXIMATELY CONSTANT PACKING DENSITY OF THE CHARGE OF MATERIAL NOTWITHSTANDING VARIATIONS IN WATER
Claim 2
Dependent Claim
71 words
THE CONTINUOUS METHOD OF DETERMINING THE WATER CONTENT OF GRANULAR MATERIAL SUCH AS MOULDING SAND WHICH COMPRISE EXTRACTING SUCCESSIVE SAMPLES FROM A BODY OF THE GRANULAR MATERIAL, SUCCESSIVELY ADDING SAID SAMPLES INDIVIDUALLY ONTO A PREVIOUSLY COMPRESSED CHARGE OF MATERIAL, COMPRESSING THE SAMPLES ONTO THE CHARGE MATERIAL IN QUICK SUCCESSION TO A PREDETERMINED PRESSURE AT LEAST SUFFICIENT TO ENSURE APPROXIMATELY CONSTANT PACKING DENSITY OF THE CHARGE OF MATERIAL NOTWITHSTANDING VARIATIONS IN WATER
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |