Patent US3415942A successfully refreshed from Google Patents.
US3415942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion-resistant conduit connector
Assignee: ROSTONE Corp A CORP OF INDIANA
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Filing: 1966-12-27
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Granted: 1968-12-10
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Expires: 1986-12-27
Abstract
No abstract record available.
Inventors
- 👤 Maurice G Knoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:40
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/06; H02G3/0616
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2580818A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |