US3323583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigeration system valve
Assignee: Carrier Corp
•
Filing: 1963-08-05
•
Granted: 1967-06-06
•
Expires: 1983-08-05
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Crowther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:05
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/06; F24F3/10; F16; F16K; F16K11/00; F16K11/10; F16K11/14; F16K11/16; F16K11/161; G; G05; G05D; G05D23/00; G05D23/01; G05D23/13; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |