Patent US3206936A successfully refreshed from Google Patents.
US3206936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for making concrete piles
Assignee: Individual
•
Filing: 1960-12-15
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Granted: 1965-09-21
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Expires: 1980-12-15
Abstract
No abstract record available.
Inventors
- 👤 Herman L Moor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:28
CPC Classifications
E; E02; E02D; E02D5/00; E02D5/22; E02D5/34; E02D5/36; E02D15/00; E02D15/02; E02D15/04; E21; E21B; E21B10/00; E21B10/44; Y; Y10; Y10S; Y10S285/00; Y10S285/913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
THE METHOD OF MAKING CONCRETE PILES IN SITU CONSISTING OF THE STEPS OF FORCING INTO THE EARTH TO APPROXIMATELY THE DEPTH OF THE PILE DESIRED AN ELONGATED EARTH PENETRATING MEMBER HAVING A LONGITUDINAL PASSAGE OPEN ADJACENT ITS LOWER END SAID MEMBER INCLUDING A TUBE AND HELICAL FLIGHTS EXTENDING FOR A PORTION OF THE LENGTH OF THE TUBE AT ITS LOWER PART, AND WITHDRAWING SAID MEMBER BY UPWARD PULL THEREON TO THEREBY COMPACT THE EARTH AROUND THE MEMBER ABOVE THE FLIGHT AND BELOW THE SURFACE AND PROVIDE A SMALL CLEARANCE SPACE THEREBELOW WHILE MAINTAINING A SEALED CONDITION WITHIN THE EARTH AROUND SAID MEMBER ABOVE SAID SPACE AND AROUND SAID TUBE IMMEDIATELY ABOVE SAID FLIGHTS, INTRODUCING GROUT THROUGH SAID PASSAGE INTO SAID SPACE WHILE MAINTAINING SAID MEMBER STATIONARY UNTIL A PREDETERMINED PRESSURE RESISTANCE TO CONTINUED SUPPLY OF GROUT TO SAID SPACE IS ENCOUNTERED, AND THEN CONTINUING TO DISCHARGE GROUT WHILE SIMULTANEOUSLY WITHDRAWING SAID MEMBER FROM THE EARTH BY UPWARD PULL THEREOF.
Claim 2
Independent Claim
159 words
THE METHOD OF MAKING CONCRETE PILES IN SITU CONSISTING OF THE STEPS OF FORCING INTO THE EARTH TO APPROXIMATELY THE DEPTH OF THE PILE DESIRED AN ELONGATED EARTH PENETRATING MEMBER HAVING A LONGITUDINAL PASSAGE OPEN ADJACENT ITS LOWER END SAID MEMBER INCLUDING A TUBE AND HELICAL FLIGHTS EXTENDING FOR A PORTION OF THE LENGTH OF THE TUBE AT ITS LOWER PART, AND WITHDRAWING SAID MEMBER BY UPWARD PULL THEREON TO THEREBY COMPACT THE EARTH AROUND THE MEMBER ABOVE THE FLIGHT AND BELOW THE SURFACE AND PROVIDE A SMALL CLEARANCE SPACE THEREBELOW WHILE MAINTAINING A SEALED CONDITION WITHIN THE EARTH AROUND SAID MEMBER ABOVE SAID SPACE AND AROUND SAID TUBE IMMEDIATELY ABOVE SAID FLIGHTS, INTRODUCING GROUT THROUGH SAID PASSAGE INTO SAID SPACE WHILE MAINTAINING SAID MEMBER STATIONARY UNTIL A PREDETERMINED PRESSURE RESISTANCE TO CONTINUED SUPPLY OF GROUT TO SAID SPACE IS ENCOUNTERED, AND THEN CONTINUING TO DISCHARGE GROUT WHILE SIMULTANEOUSLY WITHDRAWING SAID MEMBER FROM THE EARTH BY UPWARD PULL THEREOF.
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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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |