US2417420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Terminal block
Assignee: AT&T Inc
•
Filing: 1944-11-29
•
Granted: 1947-03-18
•
Expires: 1964-11-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Nicholas Knapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:19
CPC Classifications
H; H01; H01R; H01R9/00; H01R9/22; H01R9/24; H01R9/2425
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US822590A
Cited
US1002533A
Cited
US1628398A
Cited
US1615219A
Cited
US1668012A
Cited
US1862571A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-17 | 1950-09-16 | 1951-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-17 | 1954-09-16 | 1955-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-17 | 1958-09-16 | 1959-03-18 | $7700.00 | Window Closed / Lapsed |