US2656403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grommeted lead panel for oil-filled electrical apparatus
Assignee: Allis Chalmers Corp
•
Filing: 1950-04-24
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Granted: 1953-10-20
•
Expires: 1970-04-24
Abstract
No abstract record available.
Inventors
- 👤 William C Sealey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:36
CPC Classifications
H; H01; H01B; H01B17/00; H01B17/26; H01B17/30; H01B17/303; H01B17/306
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191106983A
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US1027400A
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US1329917A
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US2249091A
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US2264803A
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US2291430A
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US2362963A
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US2363364A
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US2406852A
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US2427742A
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US2414836A
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US2591044A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |