US2670398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lightning arrester
Assignee: Ohio Brass Co
•
Filing: 1950-04-17
•
Granted: 1954-02-23
•
Expires: 1970-04-17
Abstract
No abstract record available.
Inventors
- 👤 John M Sheadel
- 👤 John J Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:37
CPC Classifications
H; H01; H01T; H01T1/00; H01T1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2192773A
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US2163697A
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US2179297A
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US2284926A
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US2253264A
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US2305398A
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US2380797A
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US2334948A
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US2379053A
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US2422978A
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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) | 1957-02-22 | 1957-08-24 | 1958-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-22 | 1961-08-24 | 1962-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-22 | 1965-08-24 | 1966-02-23 | $7700.00 | Window Closed / Lapsed |