US2534301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impact hammer with attached wear member
Assignee: Individual
•
Filing: 1948-07-29
•
Granted: 1950-12-19
•
Expires: 1968-07-29
Abstract
No abstract record available.
Inventors
- 👤 Charles E Sennholtz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:55
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/26; B02C13/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1456987A
Cited
US1643874A
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US1717759A
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US1996485A
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US2148547A
Cited
US2318219A
Cited
US2392958A
Cited
US2429157A
Cited
US2467865A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |