US2773364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooler unit
Assignee: TENNEY ENGINEERING Inc
•
Filing: 1953-12-21
•
Granted: 1956-12-11
•
Expires: 1973-12-21
Abstract
No abstract record available.
Inventors
- 👤 David B Zipser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:03
CPC Classifications
F; F24; F24F; F24F1/00; F24F1/0007; F24F1/0043; F24F1/0047; F24F1/0059; F24F1/0067; F24F1/0018; F24F1/0033
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2175396A
Cited
US2323176A
Cited
US2486145A
Cited
US2526243A
Cited
US2450305A
Cited
US2610484A
Cited
US2633718A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |