US3417882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaker loader
Assignee: Westinghouse Air Brake Co
•
Filing: 1966-06-16
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Granted: 1968-12-24
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Expires: 1986-06-16
Abstract
No abstract record available.
Inventors
- 👤 Charles D Mcconnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:24
CPC Classifications
F; F27; F27D; F27D3/00; F27D3/0025; F27D3/0031; B; B65; B65G; B65G23/00; C; C03; C03B; C03B3/00; B65G2811/00; B65G2811/09; B65G2811/091; B65G2811/093
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) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |