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US3116362A
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Insulating bushing assembly with spring retaining means
Assignee: Hartford Faience Co
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Filing: 1961-09-06
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Granted: 1963-12-31
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Expires: 1981-09-06
Abstract
No abstract record available.
Inventors
- 👤 Lawrence H Rankin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:28
CPC Classifications
H; H01; H01B; H01B17/00; H01B17/26; H01B17/30; H01B17/301; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/49872; Y10T29/49876
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US13552A
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US64930A
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US773733A
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US1872340A
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US2228089A
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FR904844A
Cited
US2461487A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |