Patent US2934368A successfully refreshed from Google Patents.
US2934368A
Expired / Lapsed
US
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Oil seal loading spring
Assignee: Chicago Rawhide Manufacturing Co Inc
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Filing: 1956-11-09
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Granted: 1960-04-26
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Expires: 1976-11-09
Abstract
No abstract record available.
Inventors
- 👤 Elmer A Adamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:52
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3268; F16J15/3272; F16J15/3204; F16J15/3208; F16J15/3212
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2008682A
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US2070637A
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US2070638A
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DE700403C
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US2210723A
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US2319392A
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US2487659A
Cited
US2729481A
Cited
GB735801A
Cited
US2789847A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |