US3299644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underpinning system and method of constructing same
Assignee: Spencer White and Prentis Inc
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Filing: 1965-08-27
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Granted: 1967-01-24
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Expires: 1985-08-27
Abstract
No abstract record available.
Inventors
- 👤 Robert E White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:15
CPC Classifications
E; E02; E02D; E02D27/00; E02D27/32; E02D27/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
AN UNDERPINNING PIER SYSTEM FOR SUPPORTING UNDISTURBED AND IN PLACE A STRUCTURE LOCATED ABOVE A ROCK LAYER, SAID SYSTEM COMPRISING A SUPPORTING PIER POSITIONED BENEATH AND SUPPORTING THE STRUCTURE AND EXTENDING TO THE ROCK LAYER, CONNECTING MEANS EXTENDING FROM THE PIER DOWNWARDLY AT AN ANGLE FROM THE PIER TO THE ROCK LAYER AND INWARDLY BENEATH THE STRUCTURE, A ROCK SOCKET DRILLED INTO THE ROCK LAYER AND A POST-TENSIONED TENDON EXTENDING THROUGH THE CONNECTING MEANS, SAID TENDON ANCHORED IN THE ROCK SOCKET AND JOINED TO THE PIER WHEREBY THE PIER IS STABILIZED AND HELD AGAINST OVERTURNING WHEN THE AREA ADJACENT TO THE PIER AND THE STRUCTURE IS EXCAVATED.
Claim 2
Dependent Claim
107 words
AN UNDERPINNING PIER SYSTEM FOR SUPPORTING UNDISTURBED AND IN PLACE A STRUCTURE LOCATED ABOVE A ROCK LAYER, SAID SYSTEM COMPRISING A SUPPORTING PIER POSITIONED BENEATH AND SUPPORTING THE STRUCTURE AND EXTENDING TO THE ROCK LAYER, CONNECTING MEANS EXTENDING FROM THE PIER DOWNWARDLY AT AN ANGLE FROM THE PIER TO THE ROCK LAYER AND INWARDLY BENEATH THE STRUCTURE, A ROCK SOCKET DRILLED INTO THE ROCK LAYER AND A POST-TENSIONED TENDON EXTENDING THROUGH THE CONNECTING MEANS, SAID TENDON ANCHORED IN THE ROCK SOCKET AND JOINED TO THE PIER WHEREBY THE PIER IS STABILIZED AND HELD AGAINST OVERTURNING WHEN THE AREA ADJACENT TO THE PIER AND THE STRUCTURE IS EXCAVATED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |