US2660865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigeration and air conditioning equipment
Assignee: TRANSICOLD CORP
•
Filing: 1950-03-06
•
Granted: 1953-12-01
•
Expires: 1970-03-06
Abstract
No abstract record available.
Inventors
- 👤 Wilbur G Durant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:27
CPC Classifications
F; F25; F25D; F25D17/00; F25D17/005; B; B60; B60H; B60H1/00; B60H1/32; B60H1/3204; B60H1/3232; F25B; F25B27/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2077974A
Cited
US2104383A
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US2251376A
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US2248654A
Cited
US2258503A
Cited
US2341781A
Cited
US2388210A
Cited
US2407883A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-30 | 1957-06-01 | 1957-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-30 | 1961-06-01 | 1961-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-30 | 1965-06-01 | 1965-12-01 | $7700.00 | Window Closed / Lapsed |