US3148690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for changing gas meters
Assignee: Individual
•
Filing: 1961-03-10
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Granted: 1964-09-15
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
- 👤 Albert D Petersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:27
CPC Classifications
G; G01; G01F; G01F15/00; G01F15/18; G01F15/185; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0402; Y10T137/0413; Y10T137/0441; Y10T137/0458; Y10T137/598; Y10T137/5997; Y10T137/612; Y10T137/8593; Y10T29/00; Y10T29/49; Y10T29/49403; Y10T29/49718; Y10T29/49721; Y10T29/4973
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A DEVICE FOR SUPPLING GAS TO AN OUTLET PIPE WHILE CHANGING A GAS METER CONNECTED TO THE OUTLET PIPE THROUGH A T, ONE ARM OF THE T BEING NORMALLY CLOSED BY A REMOVABLE PLUG, SAID DEVICE COMPRISING A FLEXIBLE BAG PROVIDED WITH A CIRCULAR OPENING HAVING A RESILIENT RIM ADAPTED TO FIT IN GAS-TIGHT RELATION OVER THE ARM OF THE T CLOSED BY THE PLUG, AND A TUBULAR HOLLOW PROBE EXTENDING IN GASTIGHT RELATION INTO SAID BAG, SAID PROBE HAVING AN INNER
Claim 2
Independent Claim
82 words
A DEVICE FOR SUPPLING GAS TO AN OUTLET PIPE WHILE CHANGING A GAS METER CONNECTED TO THE OUTLET PIPE THROUGH A T, ONE ARM OF THE T BEING NORMALLY CLOSED BY A REMOVABLE PLUG, SAID DEVICE COMPRISING A FLEXIBLE BAG PROVIDED WITH A CIRCULAR OPENING HAVING A RESILIENT RIM ADAPTED TO FIT IN GAS-TIGHT RELATION OVER THE ARM OF THE T CLOSED BY THE PLUG, AND A TUBULAR HOLLOW PROBE EXTENDING IN GASTIGHT RELATION INTO SAID BAG, SAID PROBE HAVING AN INNER
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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |