US3450344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostatic valves for controlling the flow of fluids
Assignee: Individual
•
Filing: 1966-12-22
•
Granted: 1969-06-17
•
Expires: 1986-12-22
Abstract
No abstract record available.
Inventors
- 👤 James Quinlan O'brien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:10
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/08; G05D23/10; G01; G01K; G01K5/00; G01K5/48; G01K5/56; G01K5/62; G01K5/64; H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/52; H01H2037/523
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) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |