Patent US2668488A successfully refreshed from Google Patents.
US2959632A
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US
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Suspended line spacing and damping
Assignee: Preformed Line Products Co
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Filing: 1955-03-23
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Granted: 1960-11-08
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Expires: 1975-03-23
Abstract
No abstract record available.
Inventors
- 👤 Thomas F Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:25
CPC Classifications
H; H02; H02G; H02G7/00; H02G7/12; H02G7/125; H02G7/14; Y; Y10; Y10S; Y10S174/00; Y10S174/12; Y10S57/00; Y10S57/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR382382A
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US2202538A
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US2414045A
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GB739796A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |