US3456758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic oiler for journal boxes
Assignee: RICHMOND FREDERICKSBURG AND POTOMAC RAILROAD CO
•
Filing: 1966-06-10
•
Granted: 1969-07-22
•
Expires: 1986-06-10
Abstract
No abstract record available.
Inventors
- 👤 Elmer Garner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:24
CPC Classifications
B; B61; B61F; B61F17/00; B61F17/02; B61F17/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2570179A
Cited
US2662611A
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US2686574A
Cited
US2720940A
Cited
US3155191A
Cited
US3116044A
Cited
US3039563A
Cited
US3205973A
Cited
US3203504A
Cited
US3205974A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |