US3268894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polarimeter
Assignee: Individual
•
Filing: 1964-03-09
•
Granted: 1966-08-23
•
Expires: 1984-03-09
Abstract
No abstract record available.
Inventors
- 👤 Edwin S Lewis
- 👤 Donald C Venters
- 👤 Robert M Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:25
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/165; H01Q; H01Q21/00; H01Q21/24; H01Q21/245
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A PLOARIMETER COMPRISING IN COMBINATION A ROTATING JOINT HAVING A ROTATING END AND A STATIONARY END, A ROTATING WAVE GUIDE CONNECTED TO THE ROTATING END OF SAID JOINT MEANS TO ROTATE SAID WAVE GUIDE, A POLARIZED PICKUP CONNECTED TO SAID STATIONARY END OF SAID JOINT, AND WHEREIN SAID WAVE GUIDE IS IN THE FORM OF A CYLINDER CUT AXIALY BY PARALLEL PLANES WHEREBY A POLARIZED SIGNAL ENTERING SAID WAVE GUIDE WILL BE DIVIDED INTO TWO COMPONENTS AND ROTATED IN SYNCHRONIZATION WITH THE WAVE GUIDE.
Claim 2
Dependent Claim
84 words
A PLOARIMETER COMPRISING IN COMBINATION A ROTATING JOINT HAVING A ROTATING END AND A STATIONARY END, A ROTATING WAVE GUIDE CONNECTED TO THE ROTATING END OF SAID JOINT MEANS TO ROTATE SAID WAVE GUIDE, A POLARIZED PICKUP CONNECTED TO SAID STATIONARY END OF SAID JOINT, AND WHEREIN SAID WAVE GUIDE IS IN THE FORM OF A CYLINDER CUT AXIALY BY PARALLEL PLANES WHEREBY A POLARIZED SIGNAL ENTERING SAID WAVE GUIDE WILL BE DIVIDED INTO TWO COMPONENTS AND ROTATED IN SYNCHRONIZATION WITH THE WAVE GUIDE.
References Cited (Backward Citations)
US2863144A
Cited
US3171125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |