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US2801137A
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Assignee: CLAY EQUIPMENT CORP
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Filing: 1954-08-24
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Granted: 1957-07-30
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Expires: 1974-08-24
Abstract
No abstract record available.
Inventors
- 👤 Roger L Clay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:15
CPC Classifications
B; B65; B65G; B65G53/00; B65G2812/00; B65G2812/16; B65G2812/1608; B65G2812/1675
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US772911A
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US2532318A
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US2488626A
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US2651438A
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US2671696A
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US2639949A
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US2719058A
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US2739846A
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US2677474A
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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) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |