US2903653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broad-band hybrid junction
Assignee: Individual
•
Filing: 1955-02-09
•
Granted: 1959-09-08
•
Expires: 1975-02-09
Abstract
No abstract record available.
Inventors
- 👤 Rodney E Grantham
- 👤 Jr James W Dorsett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:53
CPC Classifications
H; H01; H01P; H01P5/00; H01P5/12; H01P5/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2445895A
Cited
US2454907A
Cited
US2792550A
Cited
US2575571A
Cited
US2583773A
Cited
US2702366A
Cited
US2716219A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |