US3440733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material drying and conveying apparatus
Assignee: CONSOLIDATED ENG Co Inc CECO
•
Filing: 1967-12-07
•
Granted: 1969-04-29
•
Expires: 1987-12-07
Abstract
No abstract record available.
Inventors
- 👤 Brian R Reuter
- 👤 Stuart Stern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:25
CPC Classifications
F; F26; F26B; F26B25/00; F26B25/005; F26B25/007; F26B25/001; F26B25/002; F26B3/00; F26B3/02; F26B3/06; F26B3/08; F26B7/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |