US3264842A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerating system and suction pressure responsive throttling valve therefor
Assignee: Robertshaw US Holding Corp
•
Filing: 1963-10-10
•
Granted: 1966-08-09
•
Expires: 1983-10-10
Abstract
No abstract record available.
Inventors
- 👤 Robert W Dobbie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:50
CPC Classifications
F; F25; F25B; F25B49/00; F25B49/02; F25B49/022; F25B41/00; F25B41/20; F25B41/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1238051A
Cited
US1529014A
Cited
US1768602A
Cited
US2071935A
Cited
US2053290A
Cited
US2215947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |