Patent US3206596A successfully refreshed from Google Patents.
US3206596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot box detector
Assignee: Servo Corp of America
•
Filing: 1957-07-05
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Granted: 1965-09-14
•
Expires: 1977-07-05
Abstract
No abstract record available.
Inventors
- 👤 Sabert N Howell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:56
CPC Classifications
B; B61; B61K; B61K9/00; B61K9/04; B61K9/06; G; G01; G01N; G01N25/00; G01N25/72
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |