US3442126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic coupling
Assignee: Neptune Meter Co
•
Filing: 1967-04-05
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Granted: 1969-05-06
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Expires: 1987-04-05
Abstract
No abstract record available.
Inventors
- 👤 Kenneth Southall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:13
CPC Classifications
H; H02; H02K; H02K49/00; H02K49/10; F; F04; F04C; F04C15/00; F04C15/0057; F04C15/0061; F04C15/0069; G; G01; G01F; G01F15/00; G01F15/06; G01F15/065; G01F15/066; H02K5/00; H02K5/04; H02K5/12; H02K5/128
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE594330C
Cited
US2399856A
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US2921468A
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US3163041A
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US3295370A
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US3240426A
Cited
US3353045A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |