Patent US3530380A successfully refreshed from Google Patents.
US3530380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moving coil instrument having a magnetic detent mechanism
Assignee: Weston Instruments Inc
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Filing: 1966-05-05
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Granted: 1970-09-22
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Expires: 1986-05-05
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Andreaggi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:41
CPC Classifications
G; G01; G01R; G01R5/00; G01R5/02; G01R5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB1007932A
Cited
US3026478A
Cited
US2305974A
Cited
US3177788A
Cited
US3317836A
Cited
US3159759A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |