US2615739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil seal
Assignee: Chicago Rawhide Manufacturing Co Inc
•
Filing: 1948-01-08
•
Granted: 1952-10-28
•
Expires: 1968-01-08
Abstract
No abstract record available.
Inventors
- 👤 Vedovell Rudolph John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:12
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1292197A
Cited
US2322834A
Cited
US2414600A
Cited
US2480908A
Cited
US2472264A
Cited
US2500898A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |