Patent US3389607A successfully refreshed from Google Patents.
US3389607A
Expired / Lapsed
US
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Tri-axial impact indicator
Assignee: Weston Instruments Inc
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Filing: 1965-10-07
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Granted: 1968-06-25
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Expires: 1985-10-07
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Kishel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:43
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/02; G01P15/03; G01P15/032; G01P15/036
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2078616A
Cited
GB446230A
Cited
US2539736A
Cited
US2949260A
Cited
US2816188A
Cited
US3136293A
Cited
US3267739A
Cited
US3312188A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |