Patent US2598455A successfully refreshed from Google Patents.
US2598455A
Expired / Lapsed
US
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Power hammer construction
Assignee: RAYMOND CONCRETE PILE CO
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Filing: 1951-06-26
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Granted: 1952-05-27
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Expires: 1971-06-26
Abstract
No abstract record available.
Inventors
- 👤 Edward A Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:39
CPC Classifications
E; E02; E02D; E02D7/00; E02D7/28; E02D7/02; E02D7/06; E02D7/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |