Patent US3605773A successfully refreshed from Google Patents.
US3605773A
Expired / Lapsed
US
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Gas flow regulator
Assignee: Vaillant GmbH
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Filing: 1970-06-22
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Granted: 1971-09-20
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Expires: 1990-06-22
Abstract
Abstract A gas flow regulator has a ring rotatable with respect to the body for adjusting the performance of the regulator as required by the condition. A pointer is mounted on the ring in juxtaposition to scale indicia on the body to indicate the setting of the adjustment ring. These are applied after the regulator is installed so that they will be on the front of the installed regulator. A sealed locking clamp prevents rotation of the ring.
Inventors
- 👤 Helmut Schmidt Auf Altenstadt
- 👤 Ernst Sohnchen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:02
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/12; G05D7/00; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/7069; Y10T137/8158
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |