US2530052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing seal
Assignee: Dodge Manufacturing Corp
•
Filing: 1948-02-04
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Granted: 1950-11-14
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Expires: 1968-02-04
Abstract
No abstract record available.
Inventors
- 👤 Firth David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:12
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C19/00; F16C19/02; F16C19/04; F16C19/06; F16C23/00; F16C23/06; F16C23/08; F16C23/082; F16C23/084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-13 | 1954-05-15 | 1954-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-13 | 1958-05-15 | 1958-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-13 | 1962-05-15 | 1962-11-14 | $7700.00 | Window Closed / Lapsed |