US3489527A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing chamber for the end of an incinerator rotary kiln
Assignee: HENRY J CATES JR
•
Filing: 1966-10-19
•
Granted: 1970-01-13
•
Expires: 1986-10-19
Abstract
No abstract record available.
Inventors
- 👤 Henry J Cates Jr
- 👤 Tom Rosenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:22
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2269273A
Cited
US3042389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |