Patent US2888707A successfully refreshed from Google Patents.
US2888707A
Expired / Lapsed
US
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Universal caster assembly for leg supported stands
Assignee: Rockwell Manufacturing Co
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Filing: 1954-06-02
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Granted: 1959-06-02
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Expires: 1974-06-02
Abstract
No abstract record available.
Inventors
- 👤 Edward C Warrick
- 👤 Kmetz Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:34
CPC Classifications
B; B60; B60B; B60B33/00; B60B33/04; B60B33/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/49794
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US654776A
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US940606A
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US940749A
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US2671242A
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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) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |