US2598931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clinker cooler
Assignee: Fuller Co
•
Filing: 1950-03-14
•
Granted: 1952-06-03
•
Expires: 1970-03-14
Abstract
No abstract record available.
Inventors
- 👤 Narsted John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:36
CPC Classifications
F; F27; F27D; F27D15/00; F27D15/02; F27D15/0206; F27D15/0266
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1802959A
Cited
US1906659A
Cited
US2012881A
Cited
US1941560A
Cited
US2014941A
Cited
US2024934A
Cited
GB526243A
Cited
US2529777A
Cited
US2465287A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-03 | 1955-12-03 | 1956-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-03 | 1959-12-03 | 1960-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-03 | 1963-12-03 | 1964-06-03 | $7700.00 | Window Closed / Lapsed |