US2501477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical power transmission system
Assignee: Individual
•
Filing: 1948-02-25
•
Granted: 1950-03-21
•
Expires: 1968-02-25
Abstract
No abstract record available.
Inventors
- 👤 Pestarini Joseph Maximus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:07
CPC Classifications
H; H02; H02P; H02P9/00; B; B60; B60L; B60L50/00; B60L50/10; B60L50/11; B60L2200/00; B60L2200/26; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/64; Y02T10/70; Y02T10/7072
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2049388A
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US2038384A
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US2203544A
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US2324293A
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US2393618A
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US2393621A
Cited
US2393620A
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US2448813A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-20 | 1953-09-19 | 1954-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-20 | 1957-09-19 | 1958-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-20 | 1961-09-19 | 1962-03-21 | $7700.00 | Window Closed / Lapsed |