US2869774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removable hub
Assignee: Reliance Electric and Engineering Co
•
Filing: 1955-08-23
•
Granted: 1959-01-20
•
Expires: 1975-08-23
Abstract
No abstract record available.
Inventors
- 👤 Julian K Smith
- 👤 Louis A Kovacs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:46
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/06; F04; F04D; F04D29/00; F04D29/26; F04D29/263; F16B; F16B2200/00; F16B2200/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1201863A
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US2108331A
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US2136160A
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US2291944A
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US2487128A
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US2688930A
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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) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |