US3280580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically heated evaporator unit for disposing of refrigerator system condensate
Assignee: VICTORY METAL Manufacturing CO
•
Filing: 1964-05-05
•
Granted: 1966-10-25
•
Expires: 1984-05-05
Abstract
No abstract record available.
Inventors
- 👤 Anthony R Costantini
- 👤 Angelus Anthony Di
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:07
CPC Classifications
F; F25; F25D; F25D21/00; F25D21/14; F25D2321/00; F25D2321/14; F25D2321/141; F25D2321/1413
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1758922A
Cited
GB371895A
Cited
US2182836A
Cited
US2211407A
Cited
US2270784A
Cited
US2236359A
Cited
US2726314A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |