US3434062A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drift detector
Assignee: JAMES R COX
•
Filing: 1965-06-21
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Granted: 1969-03-18
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Expires: 1985-06-21
Abstract
No abstract record available.
Inventors
- 👤 James R Cox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:19
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/153; H03K5/1532; G; G01; G01N; G01N30/00; G01N30/02; G01N30/86; G01N30/8624; G01N30/8641; G06; G06G; G06G7/00; G06G7/12; G06G7/18; G06G7/1813; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/286; H03K3/2893; H03K3/35; H03K3/352; H03K5/003; H03K5/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |