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Patent US2718741A successfully refreshed from Google Patents.
US2718741A
Expired / Lapsed
US
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Pulverizing chain hammer
Assignee: Case LLC
•
Filing: 1954-07-23
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Granted: 1955-09-27
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Expires: 1974-07-23
Abstract
No abstract record available.
Inventors
- 👤 Waldemar J Meldahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:36
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/26; B02C13/28; B02C2013/2816
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) | 1958-09-26 | 1959-03-28 | 1959-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-26 | 1963-03-28 | 1963-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-26 | 1967-03-28 | 1967-09-27 | $7700.00 | Window Closed / Lapsed |