US2881362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lightning arresters
Assignee: Ohio Brass Co
•
Filing: 1954-01-20
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Granted: 1959-04-07
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Expires: 1974-01-20
Abstract
No abstract record available.
Inventors
- 👤 John W Kalb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:20
CPC Classifications
H; H01; H01T; H01T4/00; H01T4/16; H01T4/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2151559A
Cited
US2135085A
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US2253361A
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US2611107A
Cited
GB560306A
Cited
GB669000A
Cited
US2600149A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |