US3460489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Incinerator
Assignee: AMERICAN DESIGN AND DEV CORP
•
Filing: 1968-04-08
•
Granted: 1969-08-12
•
Expires: 1988-04-08
Abstract
No abstract record available.
Inventors
- 👤 Wesley S Ehrenzeller
- 👤 Donald H Call
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:40
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US952737A
Cited
US1969371A
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US2121465A
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US2387693A
Cited
US2483728A
Cited
US2524868A
Cited
US2738776A
Cited
US2800092A
Cited
US2804031A
Cited
US2917011A
Cited
US2961977A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |