Patent US3028484A successfully refreshed from Google Patents.
US3028484A
Expired / Lapsed
US
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Hot-box detector
Assignee: Servo Corp of America
•
Filing: 1958-06-13
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Granted: 1962-04-03
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Expires: 1978-06-13
Abstract
No abstract record available.
Inventors
- 👤 Cornelius A Gallagher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:24
CPC Classifications
B; B61; B61K; B61K9/00; B61K9/04; B61K9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2568538A
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US2647996A
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US2700149A
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US2729809A
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FR1097934A
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US2856539A
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US2818508A
Cited
US2829267A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |