US2895120A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grounding devices for electrical components
Assignee: AT&T Inc
•
Filing: 1955-08-23
•
Granted: 1959-07-14
•
Expires: 1975-08-23
Abstract
No abstract record available.
Inventors
- 👤 Lach Walter
- 👤 Richard S Zapf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:42
CPC Classifications
H; H01; H01R; H01R4/00; H01R4/58; H01R4/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US374843A
Cited
US1997430A
Cited
US2113852A
Cited
US2510944A
Cited
US2699133A
Cited
US2738483A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-13 | 1963-01-12 | 1963-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-13 | 1967-01-12 | 1967-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-13 | 1971-01-12 | 1971-07-14 | $7700.00 | Window Closed / Lapsed |