Patent US2926033A successfully refreshed from Google Patents.
US2926033A
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Hub coupling for electrical controls
Assignee: Clarostat Manufacturing Co Inc
•
Filing: 1955-09-19
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Granted: 1960-02-23
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Expires: 1975-09-19
Abstract
No abstract record available.
Inventors
- 👤 Salvatore N Zarrillo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:35
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/06; F16D1/08; F16D1/0894; F16B; F16B21/00; F16B21/10; F16B21/16; F16B21/18; F16B21/186; Y; Y10; Y10T; Y10T403/00; Y10T403/60; Y10T403/70; Y10T403/7018; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB197421A
Cited
US1630367A
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US1782196A
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US1774347A
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US2135323A
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US2226098A
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US2512690A
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FR1001910A
Cited
US2589482A
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US2636362A
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US2740025A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-22 | 1963-08-24 | 1964-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-22 | 1967-08-24 | 1968-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-22 | 1971-08-24 | 1972-02-23 | $7700.00 | Window Closed / Lapsed |