US3132706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pile boring mechanism
Assignee: Braithwaite and Co Engineers Ltd
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Filing: 1961-10-09
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Granted: 1964-05-12
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Expires: 1981-10-09
Abstract
No abstract record available.
Inventors
- 👤 Ostrowski Janusz Michal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:32
CPC Classifications
E; E02; E02D; E02D7/00; E02D7/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
FOUNDATION PILE BORING MECHANISM FOR SINKING TUBULAR PILES HAVING A HOLLOW BORE EXTENDING LONGITUDINALLY THERETHROUGH, SAID MECHANISM INCLUDING A CABLE AND AN EXCAVATING TOOL ADAPTED TO BE RAISED AND LOWERED IN THE BORE OF SAID PILE WHEN INSERTED THEREIN AND TO BE DISPLACED LATERALLY FROM THE PILE WHEN WITHDRAWN FROM SAID BORE, IN COMBINATION THEREWITH, HEAD STRUCTURE ADAPTED TO BE RECEIVED ATOP THE PILE SO AS TO DESCEND THEREWITH DURING SINKING THEREOF, SAID STRUCTURE COMPRISING A SLEEVE ADAPTED TO FIT AROUND SAID PILE, MEANS MOUNTING SAID
Claim 2
Dependent Claim
86 words
FOUNDATION PILE BORING MECHANISM FOR SINKING TUBULAR PILES HAVING A HOLLOW BORE EXTENDING LONGITUDINALLY THERETHROUGH, SAID MECHANISM INCLUDING A CABLE AND AN EXCAVATING TOOL ADAPTED TO BE RAISED AND LOWERED IN THE BORE OF SAID PILE WHEN INSERTED THEREIN AND TO BE DISPLACED LATERALLY FROM THE PILE WHEN WITHDRAWN FROM SAID BORE, IN COMBINATION THEREWITH, HEAD STRUCTURE ADAPTED TO BE RECEIVED ATOP THE PILE SO AS TO DESCEND THEREWITH DURING SINKING THEREOF, SAID STRUCTURE COMPRISING A SLEEVE ADAPTED TO FIT AROUND SAID PILE, MEANS MOUNTING SAID
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) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |