Patent US2760177A successfully refreshed from Google Patents.
US2760177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removable coaxial vacuum tube connector
Assignee: Collins Radio Co
•
Filing: 1953-01-26
•
Granted: 1956-08-21
•
Expires: 1973-01-26
Abstract
No abstract record available.
Inventors
- 👤 James L Hollis
- 👤 Jr Herman Nebiker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:23
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/54
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2192943A
Cited
US2426429A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |