US3466978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure relay
Assignee: Xylem Water Solutions AB
•
Filing: 1966-09-12
•
Granted: 1969-09-16
•
Expires: 1986-09-12
Abstract
No abstract record available.
Inventors
- 👤 Sven Borje Fredrik Carlstedt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:09
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/26; H01H35/2607; F; F04; F04D; F04D15/00; F04D15/02; F04D15/0209; F04D15/0218; G; G01; G01F; G01F23/00; G01F23/0007; G05; G05D; G05D9/00; G05D9/04; G05D9/12; H01H35/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US708155A
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US851691A
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US1626673A
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US2358732A
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US2424511A
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US2615102A
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US2614903A
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US2777029A
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US2824919A
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US2998343A
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US3141389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |