Patent US3424181A successfully refreshed from Google Patents.
US3424181A
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Refrigeration valve
Assignee: PRIMORE SALES Inc
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Filing: 1965-09-30
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Granted: 1969-01-28
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Expires: 1985-09-30
Abstract
No abstract record available.
Inventors
- 👤 Stanley H Morse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:48
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/30; F16K1/304; F16K1/306; F16K13/00; F16K13/04; F16K27/00; F25; F25B; F25B41/00; F25B41/40; F25B2345/00; F25B2345/006; Y; Y10; Y10S; Y10S137/00; Y10S137/91; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1632; Y10T137/1692; Y10T137/1752; Y10T137/1759; Y10T137/1767; Y10T137/598; Y10T137/6116; Y10T137/8593; Y10T137/86928; Y10T137/87016; Y10T137/8704; Y10T137/87917; Y10T137/87925; Y10T137/87973; Y10T137/87981; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/4979; Y10T29/4981
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) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |