Patent US2580839A successfully refreshed from Google Patents.
US2580839A
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Vibration absorber
Assignee: Morse Chain Co
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Filing: 1948-06-15
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Granted: 1952-01-01
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Expires: 1968-06-15
Abstract
No abstract record available.
Inventors
- 👤 Earl F Riopelle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:12
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/10; F16F15/14; F16F15/1407; F16F15/1414; F16F15/1435; F16F15/1442; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2121; Y10T74/2131
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1701518A
Cited
US1820750A
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US1718656A
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US1718208A
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US2115427A
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US2207362A
Cited
US2346972A
Cited
US2450701A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |