Patent US3316723A successfully refreshed from Google Patents.
US3316723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for forming foundation members
Assignee: Individual
•
Filing: 1964-11-02
•
Granted: 1967-05-02
•
Expires: 1984-11-02
Abstract
No abstract record available.
Inventors
- 👤 Myles H Schutte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:38
CPC Classifications
E; E02; E02D; E02D5/00; E02D5/66; E02D5/665; E02D15/00; E02D15/02; E02D15/04; E02D5/22; E02D5/34; E02D5/38; E02D5/385
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A METHOD OF FORMING FOUNDATION MEMBERS, COMPRISING THE STEPS OF: (A) DRILLING A SUBSTANTIALLY VERTICAL HOLE IN THE GROUND FOR A FOUNDATION MEMBER, (B) DISPOSING AN INNER CASING AND AN OUTER CASING IN THE HOLE WITH AN ANNULAR SPACE THEREBETWEEN FOR SUBSTANTIALLY THE FULL LENGTH OF THE CASINGS, (C) POURING CONCRETE INTO THE INNER CASING TO SUBSTANTIALLY FILL SAME TO A PREDETERMINED LEVEL, (D) THEREAFTER PROMPTLY POURING SAND INTO THE ANNULAR SPACE TO PARTIALLY FILL SAME, (E) PULLING THE INNER CASING UPWARDLY PRIOR TO THE HARDENING OF THE CONCRETE TO REMOVE IT FROM THE HOLE WHILE GRADUALLY ADDING SAND IN THE ANNULAR SPACE TO MAINTAIN THE LEVEL OF THE SAND IN THE ANNULAR SPACE ABOVE THE LOWER END OF THE INNER CASING AND (F) THEREAFTER PULLING THE OUTER CASING UPWARDLY AFTER THE CONCRETE HAS HARDENED TO REMOVE SUCH OUTER CASING FROM THE HOLE.
Claim 2
Independent Claim
143 words
A METHOD OF FORMING FOUNDATION MEMBERS, COMPRISING THE STEPS OF: (A) DRILLING A SUBSTANTIALLY VERTICAL HOLE IN THE GROUND FOR A FOUNDATION MEMBER, (B) DISPOSING AN INNER CASING AND AN OUTER CASING IN THE HOLE WITH AN ANNULAR SPACE THEREBETWEEN FOR SUBSTANTIALLY THE FULL LENGTH OF THE CASINGS, (C) POURING CONCRETE INTO THE INNER CASING TO SUBSTANTIALLY FILL SAME TO A PREDETERMINED LEVEL, (D) THEREAFTER PROMPTLY POURING SAND INTO THE ANNULAR SPACE TO PARTIALLY FILL SAME, (E) PULLING THE INNER CASING UPWARDLY PRIOR TO THE HARDENING OF THE CONCRETE TO REMOVE IT FROM THE HOLE WHILE GRADUALLY ADDING SAND IN THE ANNULAR SPACE TO MAINTAIN THE LEVEL OF THE SAND IN THE ANNULAR SPACE ABOVE THE LOWER END OF THE INNER CASING AND (F) THEREAFTER PULLING THE OUTER CASING UPWARDLY AFTER THE CONCRETE HAS HARDENED TO REMOVE SUCH OUTER CASING FROM THE HOLE.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |