US2968781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical distribution system
Assignee: Individual
•
Filing: 1956-06-04
•
Granted: 1961-01-17
•
Expires: 1976-06-04
Abstract
No abstract record available.
Inventors
- 👤 Staskowski Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:52
CPC Classifications
H; H02; H02G; H02G5/00; H02G5/06; H02G5/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US551930A
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US1369680A
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US2251403A
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US2262067A
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US2287502A
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US2288078A
Cited
US2365514A
Cited
US2386177A
Cited
US2439956A
Cited
US2482310A
Cited
US2738446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |