US3146835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hammer for driving piles by impact or by vibrating action
Assignee: Horn Pile & Foundation Corp
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Filing: 1962-12-17
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Granted: 1964-09-01
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Expires: 1982-12-17
Abstract
No abstract record available.
Inventors
- 👤 Hornstein Moses
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:51
CPC Classifications
E; E02; E02D; E02D7/00; E02D7/02; E02D7/06; E02D7/10; E02D7/18
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
127 words
A SINGLE UNITARY HAMMER FOR DRIVING PILING BY IMPACT OR BY VIBRATING ACTION, COMPRISING THE COMBINATION OF A WORKING CYLINDER, AN ANVIL AT THE LOWER END OF SAID CYLINDER, AN IMPACT RAM IN SAID CYLINDER IN COOPERATIVE RELATION WITH SAID ANVIL, FLUID PRESSURE VIBRATORY OPERATING MEANS FOR VIBRATING SAID HAMMER AT PILE DRIVING FREQUENCY IN THE UPPER PORTION OF SAID CYLINDER ABOVE SAID RAM, VIBRATION TRANSMITTING CONNECTION MEANS EXTENDING FROM SAID VIBRATORY OPERATING MEANS DOWN THROUGH THE CYLINDER, FREE OF THE RAM, TO SAID ANVIL, ENGAGEABLE AND DISENGAGEABLE MEANS FOR GRIPPING SAID ANVIL IN RIGID VIBRATION TRANSMITTING ENGAGEMENT ON PILING TO BE DRIVEN AND FLUID PRESSURE SUPPLY CONNECTIONS EXTENDING TO SAID WORKING CYLINDER AND TO SAID VIBRATORY MEANS, INCLUDING MEANS FOR SWITCHING POWER FROM THE RAM TO
References Cited (Backward Citations)
US241654A
Cited
US488050A
Cited
US501579A
Cited
US743927A
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US1102012A
Cited
US1565262A
Cited
US1908217A
Cited
US2722918A
Cited
US2969771A
Cited
US3078829A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |