US3391337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scanning-type moisture detection system with sequential solid-state switching and synchronous material marking means
Assignee: LAUCKS LAB Inc
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Filing: 1965-06-21
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Granted: 1968-07-02
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Expires: 1985-06-21
Abstract
No abstract record available.
Inventors
- 👤 Fritz K Preikschat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:44
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/22; G01N27/223
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA673684A
Cited
US2456499A
Cited
GB736464A
Cited
US2782367A
Cited
US2943258A
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US2963908A
Cited
US2934704A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |