US2860309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broadband waveguide junction
Assignee: General Precision Laboratory Inc
•
Filing: 1953-11-17
•
Granted: 1958-11-11
•
Expires: 1973-11-17
Abstract
No abstract record available.
Inventors
- 👤 John F Zaleski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:35
CPC Classifications
H; H01; H01P; H01P5/00; H01P5/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2735985A
Cited
US2682036A
Cited
US2446863A
Cited
US2643295A
Cited
US2509789A
Cited
US2744242A
Cited
US2595186A
Cited
GB678632A
Cited
US2689942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |