US3093000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Check valve assembly for a probe
Assignee: Individual
•
Filing: 1960-05-27
•
Granted: 1963-06-11
•
Expires: 1980-05-27
Abstract
No abstract record available.
Inventors
- 👤 Virgil S Ritchie
- 👤 Howard F Ogden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:44
CPC Classifications
G; G01; G01L; G01L19/00; G01L19/0007; F; F16; F16K; F16K15/00; F16K15/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
AN ATMOSPHERIC PRESSURE SENSOR COMPRISING A BODY HAVING AT LEAST ONE ROW OF INWARDLY EXTENDING PERIPHERAL ORIFICES FORMED THEREIN, THERE BEING A CHAMBER FORMED IN SAID BODY IN COMMUNICATION WITH SAID ORIFICES, MEANS FOR SIMULTANEOUSLY PREVENTING OUTWARD FLOW AND PERMITTING
Claim 2
Dependent Claim
40 words
AN ATMOSPHERIC PRESSURE SENSOR COMPRISING A BODY HAVING AT LEAST ONE ROW OF INWARDLY EXTENDING PERIPHERAL ORIFICES FORMED THEREIN, THERE BEING A CHAMBER FORMED IN SAID BODY IN COMMUNICATION WITH SAID ORIFICES, MEANS FOR SIMULTANEOUSLY PREVENTING OUTWARD FLOW AND PERMITTING
References Cited (Backward Citations)
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US2325018A
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US2524747A
Cited
US2554634A
Cited
US2662402A
Cited
US2679163A
Cited
US2923153A
Cited
US2834208A
Cited
US3029639A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |