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US3444699A
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Refrigeration system with accumulator means
Assignee: YORK-LUXAIRE Inc A CORP OF
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Filing: 1967-07-24
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Granted: 1969-05-20
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Expires: 1987-07-24
Abstract
No abstract record available.
Inventors
- 👤 James R Harnish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:28
CPC Classifications
F; F25; F25B; F25B13/00; F25B41/00; F25B41/30; F25B41/31; F25B41/34; F25B41/355; F25B2313/00; F25B2313/027; F25B2313/0272; F25B2313/02741; F25B2400/00; F25B2400/05; F25B2400/051; F25B40/00; Y; Y02; Y02B; Y02B30/00; Y02B30/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3163998A
Cited
US3264837A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |