US2862579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheel block with removable toothed foot
Assignee: Calumet Steel Castings Corp
•
Filing: 1955-05-06
•
Granted: 1958-12-02
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Expires: 1975-05-06
Abstract
No abstract record available.
Inventors
- 👤 Walter F Jicha
- 👤 Marion C Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:47
CPC Classifications
B; B60; B60T; B60T3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US919303A
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FR15452E
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US990473A
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US1079020A
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US1076152A
Cited
GB205322A
Cited
US1893580A
Cited
US2182044A
Cited
US2613764A
Cited
DE922396C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |