US1678147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valved fitting for refrigerating apparatus
Assignee: Frigidaire Corp
•
Filing: 1927-07-30
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Granted: 1928-07-24
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Expires: 1947-07-30
Abstract
No abstract record available.
Inventors
- 👤 Jesse G King
- 👤 Harry B Hull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:20
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/02; F16K1/04; F25; F25B; F25B41/00; F25B41/40; F25B2700/00; F25B2700/19; F25B2700/193; F25B2700/1931; F25B2700/1933; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/7043; Y10T137/7062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1931-07-24 | 1932-01-23 | 1932-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-07-24 | 1936-01-23 | 1936-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-07-24 | 1940-01-23 | 1940-07-24 | $7700.00 | Window Closed / Lapsed |