US3016498A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission system
Assignee: Sealectro Corp
•
Filing: 1958-10-13
•
Granted: 1962-01-09
•
Expires: 1978-10-13
Abstract
No abstract record available.
Inventors
- 👤 Albert E Powell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:26
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/02; H03H9/125; H03H9/30; H03H9/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2063948A
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US2275675A
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US2433898A
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US2484960A
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US2600870A
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US2455740A
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US2584600A
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US2596226A
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US2815490A
Cited
US2709243A
Cited
US2846666A
Cited
GB784689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-08 | 1965-07-10 | 1966-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-08 | 1969-07-10 | 1970-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-08 | 1973-07-10 | 1974-01-09 | $7700.00 | Window Closed / Lapsed |