Patent US3099806A successfully refreshed from Google Patents.
US3099806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-power resonance absorption isolator having ferrite slab offset from polepieces so as to be non-uniformly magnetized
Assignee: Raytheon Co
•
Filing: 1961-01-16
•
Granted: 1963-07-30
•
Expires: 1981-01-16
Abstract
No abstract record available.
Inventors
- 👤 Lawrence A Blasberg
- 👤 Leon J Lader
- 👤 Raymond A Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:04
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/32; H01P1/36; H01P1/365
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A UNIDIRECTIONAL MICROWAVE TRANSMISSION DEVICE COMPRISING: (A) A RECTANGULAR WAVERGUIDE INCLUDING A PAIR OF OPPOSITE BROAD WALLS AND A PAIR OF OPPOSITE NARROW WALLS; (B) A MAGNET HAVING A DIFFERENT POLE PIECE ADJACENT EACH BROAD WALL OF SAID WAVEGUIDE AT A LOCATION DIS TANT FROM A FIRST NARROW WALL OF SAID WAVEGUIDE BETWEEN THE CENTER OF THE SURFACES OF THE BROAD WALLS AND A SECOND NARROW WALL OF SAID WAVEGUIDE;
Claim 2
Dependent Claim
70 words
A UNIDIRECTIONAL MICROWAVE TRANSMISSION DEVICE COMPRISING: (A) A RECTANGULAR WAVERGUIDE INCLUDING A PAIR OF OPPOSITE BROAD WALLS AND A PAIR OF OPPOSITE NARROW WALLS; (B) A MAGNET HAVING A DIFFERENT POLE PIECE ADJACENT EACH BROAD WALL OF SAID WAVEGUIDE AT A LOCATION DIS TANT FROM A FIRST NARROW WALL OF SAID WAVEGUIDE BETWEEN THE CENTER OF THE SURFACES OF THE BROAD WALLS AND A SECOND NARROW WALL OF SAID WAVEGUIDE;
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |