US2825008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lightning arresters
Assignee: Ohio Brass Co
•
Filing: 1953-06-02
•
Granted: 1958-02-25
•
Expires: 1973-06-02
Abstract
No abstract record available.
Inventors
- 👤 John W Kalb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:48
CPC Classifications
H; H01; H01T; H01T1/00; H01T1/02; H01T1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1031795A
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US2293513A
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US2276855A
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US2310728A
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US2356040A
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US2443017A
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GB645827A
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US2554278A
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US2644116A
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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) | 1961-02-24 | 1961-08-26 | 1962-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-24 | 1965-08-26 | 1966-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-24 | 1969-08-26 | 1970-02-25 | $7700.00 | Window Closed / Lapsed |