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US2049366A
Expired / Lapsed
US
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Oil seal
Assignee: Chicago Rawhide Manufacturing Co Inc
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Filing: 1932-11-19
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Granted: 1936-07-28
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Expires: 1952-11-19
Abstract
No abstract record available.
Inventors
- 👤 Allen F Gardner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:07
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/74; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3204; F16J15/3228
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-07-28 | 1940-01-27 | 1940-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-07-28 | 1944-01-27 | 1944-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-07-28 | 1948-01-27 | 1948-07-28 | $7700.00 | Window Closed / Lapsed |