US3250460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor with liquid refrigerant injection means
Assignee: Borg Warner Corp
•
Filing: 1964-06-04
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Granted: 1966-05-10
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Expires: 1984-06-04
Abstract
No abstract record available.
Inventors
- 👤 Harry J Cassidy
- 👤 William J Haley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:59
CPC Classifications
F; F25; F25B; F25B31/00; F25B31/006; F25B31/008; F04; F04C; F04C29/00; F04C29/0007; F04C29/0014; F04C29/02; F04C29/04; F04C29/042; F25B49/00; F25B49/02; Y; Y10; Y10S; Y10S418/00; Y10S418/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2470655A
Cited
US3105633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |