US2599659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable power-driven coal conveyer
Assignee: Individual
•
Filing: 1948-06-23
•
Granted: 1952-06-10
•
Expires: 1968-06-23
Abstract
No abstract record available.
Inventors
- 👤 Harold B Phillips
- 👤 Clarence S Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:47
CPC Classifications
B; B65; B65G; B65G21/00; B65G21/10; B65G21/20; B65G21/2045; B65G21/2063; B65G21/2072; B65G21/2081; B65G23/00; B65G23/44; B65G65/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US785569A
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US841085A
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US880303A
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US1613031A
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US1982682A
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US2202882A
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US2394638A
Cited
US2430282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-10 | 1955-12-10 | 1956-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-10 | 1959-12-10 | 1960-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-10 | 1963-12-10 | 1964-06-10 | $7700.00 | Window Closed / Lapsed |