US2984369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wagon unloading mechanism
Assignee: Individual
•
Filing: 1959-03-27
•
Granted: 1961-05-16
•
Expires: 1979-03-27
Abstract
No abstract record available.
Inventors
- 👤 Philip R Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:57
CPC Classifications
B; B60; B60K; B60K25/00; B60K25/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1444704A
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US1161982A
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US1275450A
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US1879607A
Cited
GB379122A
Cited
US2042573A
Cited
FR885429A
Cited
GB614125A
Cited
US2538517A
Cited
US2797006A
Cited
US2796952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |