US2969438A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Busway system including roller hangers
Assignee: ITE Circuit Breaker Co
•
Filing: 1957-06-17
•
Granted: 1961-01-24
•
Expires: 1977-06-17
Abstract
No abstract record available.
Inventors
- 👤 John A Herrmann
- 👤 George H Farnsworth
- 👤 Kent P Stiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:26
CPC Classifications
H; H02; H02G; H02G5/00; H02G5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2416352A
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US461785A
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US346990A
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US1055691A
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GB141914A
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US1475146A
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US1627733A
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US1706069A
Cited
US2096313A
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US2626298A
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US2626301A
Cited
US2641428A
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US2696533A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |