Patent US3130552A successfully refreshed from Google Patents.
US3130552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for creating a load
Assignee: —
•
Filing: —
•
Granted: 1964-04-28
•
Expires: 1981-04-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:20
CPC Classifications
E; E02; E02D; E02D3/00; E02D3/02; E02D3/08; E02D3/12; E02D3/046; E02D3/054; E21; E21B; E21B7/00; E21B7/24
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
63 words
THE METHOD OF FORMING A BODY OF MATERIAL CAPABLE OF SUPPORTING STRUCTURAL LOAD AT A PREDETERMINED REGION OF RELATIVELY LOW STRENGTH IN THE EARTH, COMPRISING: INTRODUCING AN ELASTIC STEM LONGITUDINALLY INTO THE EARTH TO SAID REGION, CREATING CONTINUOUS SONIC ELASTIC VIBRATIONS IN AND ALONG SAID STEM, WHEREBY SAID STEM ACTS AS A RADIATOR OF SONIC WAVES INTO FLUENT MEDIA IN CONTACT THEREWITH, AND
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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) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |