US3087130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waveguide elbow
Assignee: AT&T Inc
•
Filing: 1962-03-08
•
Granted: 1963-04-23
•
Expires: 1982-03-08
Abstract
No abstract record available.
Inventors
- 👤 Enrique A J Marcatili
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:53
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A MITER ELBOW COMPRISING A PAIR OF INTERSECTING WAVEGUIDES; A METALLIC MEMBER EXTENDING ACROSS SAID WAVEGUIDES IN A DIRECTION PERPENDICULAR TO THE BISECTOR OF THE ANGLE BETWEEN SAID WAVEGUIDES AND PASSING THROUGH THE POINT OF INTERSECTION OF THE AXES OF SAID WAVEGUIDES;
Claim 2
Dependent Claim
42 words
A MITER ELBOW COMPRISING A PAIR OF INTERSECTING WAVEGUIDES; A METALLIC MEMBER EXTENDING ACROSS SAID WAVEGUIDES IN A DIRECTION PERPENDICULAR TO THE BISECTOR OF THE ANGLE BETWEEN SAID WAVEGUIDES AND PASSING THROUGH THE POINT OF INTERSECTION OF THE AXES OF SAID WAVEGUIDES;
References Cited (Backward Citations)
US2810111A
Cited
US2737634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |