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US2856539A
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Apparatus and method for detecting overheated journal boxes
Assignee: International Telephone and Telegraph Corp
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Filing: 1954-01-25
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Granted: 1958-10-14
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Expires: 1974-01-25
Abstract
No abstract record available.
Inventors
- 👤 Richard K Orthuber
- 👤 Charles V Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:43
CPC Classifications
B; B61; B61K; B61K9/00; B61K9/04; B61K9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1412165A
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US2237193A
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US2423885A
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US2560753A
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US2486753A
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US2620435A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |