US3342201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure detecting device
Assignee: Individual
•
Filing: 1964-11-10
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Granted: 1967-09-19
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Expires: 1984-11-10
Abstract
No abstract record available.
Inventors
- 👤 Grogono Alan Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:36
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/0051; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2567; Y10T137/8158; Y10T137/8326; Y10T137/8593; Y10T137/87571; Y10T137/87676; Y10T137/87684
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A DEVICE FOR DETECTING PREDETERMINED PRESSURE VARIATIONS IN EITHER OF TWO SUPPLY LINES, COMPRISING A VALVE BODY DEFINING TWO OUTER CHAMBERS AND AN INTERMEDIATE CHAMBER; MEANS FOR RESPECTIVELY CONNECTING THE TWO OUTER CHAMBERS TO THE TWO SUPPLY LINES AND FOR CONNECTING THE INTERMEDIATE CHAMBER TO A FLUID PRESSURE OPERABLE INDICATOR MEANS; A VALVE MEMBER IN SAID INTERMEDIATE CHAMBER FOR CONNECTING THE INDICATOR MEANS WITH EITHER ONE OF THE TWO SUPPLY LINES; AND TWO PRESSURE RESPONSIVE APERTURES DIAPHRAGMS WHICH RESPECTIVELY SEPARATE THE TWO OUTER CHAMBERS FROM THE INTERMEDIATE CHAMBER AND WHICH ARE ADAPTED
Claim 2
Independent Claim
92 words
A DEVICE FOR DETECTING PREDETERMINED PRESSURE VARIATIONS IN EITHER OF TWO SUPPLY LINES, COMPRISING A VALVE BODY DEFINING TWO OUTER CHAMBERS AND AN INTERMEDIATE CHAMBER; MEANS FOR RESPECTIVELY CONNECTING THE TWO OUTER CHAMBERS TO THE TWO SUPPLY LINES AND FOR CONNECTING THE INTERMEDIATE CHAMBER TO A FLUID PRESSURE OPERABLE INDICATOR MEANS; A VALVE MEMBER IN SAID INTERMEDIATE CHAMBER FOR CONNECTING THE INDICATOR MEANS WITH EITHER ONE OF THE TWO SUPPLY LINES; AND TWO PRESSURE RESPONSIVE APERTURES DIAPHRAGMS WHICH RESPECTIVELY SEPARATE THE TWO OUTER CHAMBERS FROM THE INTERMEDIATE CHAMBER AND WHICH ARE ADAPTED
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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |