US2723533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerating apparatus
Assignee: Motors Liquidation Co
•
Filing: 1952-07-11
•
Granted: 1955-11-15
•
Expires: 1972-07-11
Abstract
No abstract record available.
Inventors
- 👤 Leonard J Mann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:23
CPC Classifications
F; F25; F25B; F25B5/00; F25B5/04; F25B2341/00; F25B2341/001; F25B2341/0011; F25B2500/00; F25B2500/01; F25D; F25D2400/00; F25D2400/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2330917A
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US2442978A
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US2462240A
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US2586853A
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US2484588A
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US2487182A
Cited
US2471137A
Cited
US2576663A
Cited
US2622405A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |