US3272008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for testing pressure in pneumatic tyres
Assignee: Individual
•
Filing: 1964-02-12
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Granted: 1966-09-13
•
Expires: 1984-02-12
Abstract
No abstract record available.
Inventors
- 👤 Lamperti Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:40
CPC Classifications
G; G01; G01L; G01L17/00; Y; Y10; Y10T; Y10T137/00; Y10T137/3584; Y10T137/3662; Y10T137/3677
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
GAS PRESSURE MEASURING APPARATUS COMPRISING A FRAME, A HOUSING PIVOTALLY MOUNTED ON SAID FRAME AND OPERATIVE TO BE DISPOSED IN A SUBSTANTIALLY HORIZONTAL POSITION CORRESPONDING TO A NON-OPERATIVE CONDITION OF SAID APPARATUS AND TO AN UPRIGHT POSITION CORRESPONDING TO AN OPERATIVE CONDITION OF SAID APPARATUS, A GAS TIGHT CHAMBER PARTIALLY FILLED WITH A LIQUID DISPOSED IN SAID HOUSING, AN INLET TUBE CONNECTED AT ONE END TO SAID CHAMBER AND BEING SELECTIVELY CONNECTABLE AT THE OTHER END TO THE ATMOSPHERE AND TO A SOURCE OF GAS UNDER PRESSURE, A MEASURING TUBE CLOSED AT ONE END AND OPEN AT THE OTHER END DISPOSED IN SAID HOUSING, SAID MEASURING TUBE EXTENDING AT ITS OPEN END INTO SAID CHAMBER, CONDUIT MEANS OPERATIVE TO SELECTIVELY INTERCONNECT SAID INLET TUBE TO A SOURCE OF GAS UNDER PRESSURE, SAID CHAMBER HAVING AN AMOUNT OF LIQUID THEREIN SUCH THAT WHEN SAID HOUSING IS IN A SUBSTANTIALLY HORIZONTAL NON-OPERATIVE POSITION THE LEVEL, OF SAID
Claim 2
Dependent Claim
155 words
GAS PRESSURE MEASURING APPARATUS COMPRISING A FRAME, A HOUSING PIVOTALLY MOUNTED ON SAID FRAME AND OPERATIVE TO BE DISPOSED IN A SUBSTANTIALLY HORIZONTAL POSITION CORRESPONDING TO A NON-OPERATIVE CONDITION OF SAID APPARATUS AND TO AN UPRIGHT POSITION CORRESPONDING TO AN OPERATIVE CONDITION OF SAID APPARATUS, A GAS TIGHT CHAMBER PARTIALLY FILLED WITH A LIQUID DISPOSED IN SAID HOUSING, AN INLET TUBE CONNECTED AT ONE END TO SAID CHAMBER AND BEING SELECTIVELY CONNECTABLE AT THE OTHER END TO THE ATMOSPHERE AND TO A SOURCE OF GAS UNDER PRESSURE, A MEASURING TUBE CLOSED AT ONE END AND OPEN AT THE OTHER END DISPOSED IN SAID HOUSING, SAID MEASURING TUBE EXTENDING AT ITS OPEN END INTO SAID CHAMBER, CONDUIT MEANS OPERATIVE TO SELECTIVELY INTERCONNECT SAID INLET TUBE TO A SOURCE OF GAS UNDER PRESSURE, SAID CHAMBER HAVING AN AMOUNT OF LIQUID THEREIN SUCH THAT WHEN SAID HOUSING IS IN A SUBSTANTIALLY HORIZONTAL NON-OPERATIVE POSITION THE LEVEL, OF SAID
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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |