Patent US2457537A successfully refreshed from Google Patents.
US2457537A
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Motor vehicle front wheel lubrication device
Assignee: Individual
•
Filing: 1947-04-09
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Granted: 1948-12-28
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Expires: 1967-04-09
Abstract
No abstract record available.
Inventors
- 👤 Porter D Douglass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:54
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/66; F16C33/6603; F16C33/6622; B; B60; B60B; B60B27/00; B60B27/001; F16C19/00; F16C19/22; F16C19/34; F16C19/36; F16C19/364; F16C19/54; F16C19/546; F16C19/547; F16C19/548; F16C2326/00; F16C2326/01; F16C2326/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CH96910A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-28 | 1952-06-28 | 1952-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-28 | 1956-06-28 | 1956-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-28 | 1960-06-28 | 1960-12-28 | $7700.00 | Window Closed / Lapsed |