US2784946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerating apparatus
Assignee: ANTHONY M TORTORELLO
•
Filing: 1954-04-13
•
Granted: 1957-03-12
•
Expires: 1974-04-13
Abstract
No abstract record available.
Inventors
- 👤 Zydycryn William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:23
CPC Classifications
F; F25; F25D; F25D31/00; F25D31/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US154332A
Cited
US344771A
Cited
US2067431A
Cited
US2120460A
Cited
US2082975A
Cited
US2282627A
Cited
US2327910A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |