US2755878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of creating seismic disturbances
Assignee: California Research LLC
•
Filing: 1954-09-21
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Granted: 1956-07-24
•
Expires: 1974-09-21
Abstract
No abstract record available.
Inventors
- 👤 Neal J Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:27
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/02; G01V1/104; G01V1/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
THE METHOD OF CREATING A SEISMIC DISTURBANCE IN THE EARTH COMPRISING THE STEPS OF COILING A LENGTH OF LINEAR EXPLOSIVE MATERIAL IN A SERIES OF STACKED SPIRALS, INSERTING SAID COILED MATERIAL INTO A SHOT HOLE, EXPANDING SAID COILED MATERIAL INTO APPROXIMATELY HELICAL FORM WITH A
Claim 2
Independent Claim
45 words
THE METHOD OF CREATING A SEISMIC DISTURBANCE IN THE EARTH COMPRISING THE STEPS OF COILING A LENGTH OF LINEAR EXPLOSIVE MATERIAL IN A SERIES OF STACKED SPIRALS, INSERTING SAID COILED MATERIAL INTO A SHOT HOLE, EXPANDING SAID COILED MATERIAL INTO APPROXIMATELY HELICAL FORM WITH A
References Cited (Backward Citations)
US2414349A
Cited
US2609885A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |