US2864560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for transporting solid materials, with or without concurrent disintegration
Assignee: Texaco Inc
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Filing: 1955-03-08
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Granted: 1958-12-16
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Expires: 1975-03-08
Abstract
No abstract record available.
Inventors
- 👤 Charles R Carkeek
- 👤 Eastman Du Bois
- 👤 Leon P Gaucher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:22
CPC Classifications
B; B02; B02C; B02C19/00; B02C21/00; Y; Y10; Y10S; Y10S48/00; Y10S48/07
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) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |