US3017905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: National Telephone Supply Co
•
Filing: 1957-03-05
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Granted: 1962-01-23
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Expires: 1977-03-05
Abstract
No abstract record available.
Inventors
- 👤 Charles H Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:43
CPC Classifications
H; H01; H01R; H01R43/00; H01R43/04; H01R43/042; H01R43/0427; H02; H02G; H02G1/00; H02G1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2564031A
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US2556663A
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US2493480A
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US2688449A
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US2696850A
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US2731656A
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US2772715A
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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) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |