US3393652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refuse disposal system
Assignee: Foster Wheeler Inc
•
Filing: 1966-10-07
•
Granted: 1968-07-23
•
Expires: 1986-10-07
Abstract
No abstract record available.
Inventors
- 👤 John M Connell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:31
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/44; F23G5/46; F23G5/002; F23G5/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1916713A
Cited
US1973705A
Cited
US1973697A
Cited
US2029576A
Cited
US2057450A
Cited
US3277870A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |