US3608367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soil consolidation apparatus
Assignee: Individual
•
Filing: 1968-12-26
•
Granted: 1971-09-28
•
Expires: 1988-12-26
Abstract
Abstract AN APPARATUS EMPLOYING A PLURALITY OF SINGLE-CONVOLUTION DIAPHRAGMS FOR ACCURATELY TESTING THE CONSOLIDATION OF SOIL SAMPLES OR THE LIKE. THE DIAPHRAGMS FACILITATE THE USE OF SELECTIVE NET FORCES ON THE SAMPLES THROUGH DIAPHRAGM FORCE DIFFERENTIALS, OR THE INCREMENTAL, INTEGRATION OF DIAPHRAGM FORCES IN ORDER TO GIVE ACCURATE SPECIMEN LOADING.
Inventors
- 👤 Reuben H Karol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:13
CPC Classifications
G; G01; G01N; G01N15/00; G01N15/08; G01N15/0806; G01N3/00; G01N3/08; G01N3/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |