US2698369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bridging contactor for electric switches
Assignee: CHICAGO TELEPHONE SUPPLY Corp
•
Filing: 1953-06-08
•
Granted: 1954-12-28
•
Expires: 1973-06-08
Abstract
No abstract record available.
Inventors
- 👤 Arthur M Daily
- 👤 Jr Joseph G Veatch
- 👤 Lester E Hileman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:56
CPC Classifications
H; H01; H01C; H01C10/00; H01C10/30; H01C10/32; H01C10/36
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1911811A
Cited
US2177284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-27 | 1958-06-28 | 1958-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-27 | 1962-06-28 | 1962-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-27 | 1966-06-28 | 1966-12-28 | $7700.00 | Window Closed / Lapsed |