US2885862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power hammer construction
Assignee: Raymond International Inc
•
Filing: 1955-11-01
•
Granted: 1959-05-12
•
Expires: 1975-11-01
Abstract
No abstract record available.
Inventors
- 👤 Edward A Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:28
CPC Classifications
E; E02; E02D; E02D7/00; E02D7/02; E02D7/06; E02D7/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2072224A
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US2193166A
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US2321476A
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US2250449A
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US2403582A
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US2598455A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |