US3307039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gap pattern for chopper of radiation search system
Assignee: Siemens Schweiz AG
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Filing: 1964-02-05
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Granted: 1967-02-28
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Expires: 1984-02-05
Abstract
No abstract record available.
Inventors
- 👤 Aemmer Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:45
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/12; G01D5/14; G01D5/20; G01S; G01S3/00; G01S3/78; G01S3/782; G01S3/787; H; H04; H04N; H04N3/00; H04N3/02; H04N3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A CHOPPER DISC COMPRISING A CIRCULAR TRACK HAVING A PLURALITY OF ALTERNATE RADIAL SPOKES AND GAPS OF DIFFERENT TRANSPARENCY, SAID TRACK BEING DIVIDED INTO ANGULAR SECTIONS BY RADIAL LINES, EACH OF SAID SECTIONS BEING DIVIDED DIAGONALLY INTO TWO FIELDS WITH SPOKE PATTERNS HAVING DIFFERENT GAP WIDTHS AND FORMING A BORDER LINE ANGULAR TO SAID TRACK, THE BORDER LINE OF EVERY OTHER SECTION EXTENDING FROM A FIRST POINT ON SAID TRACK RELATIVE TO A CORRESPONDING ONE OF SAID RADIAL LINES AND THE BORDER LINE OF EVERY INTERMEDIATE SECTION EXTENDING FROM A SECOND POINT ON SAID TRACK RELATIVE TO SAID ONE OF SAID RADIAL LINES AND SPACED FROM SAID FIRST POINT, AND A SECOND CIRCULAR COAXIAL TRACK HAVING ONE DISCONTINUITY IN THE SECTION OCCUPIED BY EACH OF SAID SECTIONS, SAID DISCONTINUITIES BEING LOCATED WITHIN THEIR SECTORS IDENTICAL ANGULAR LOCATION
Claim 2
Dependent Claim
137 words
A CHOPPER DISC COMPRISING A CIRCULAR TRACK HAVING A PLURALITY OF ALTERNATE RADIAL SPOKES AND GAPS OF DIFFERENT TRANSPARENCY, SAID TRACK BEING DIVIDED INTO ANGULAR SECTIONS BY RADIAL LINES, EACH OF SAID SECTIONS BEING DIVIDED DIAGONALLY INTO TWO FIELDS WITH SPOKE PATTERNS HAVING DIFFERENT GAP WIDTHS AND FORMING A BORDER LINE ANGULAR TO SAID TRACK, THE BORDER LINE OF EVERY OTHER SECTION EXTENDING FROM A FIRST POINT ON SAID TRACK RELATIVE TO A CORRESPONDING ONE OF SAID RADIAL LINES AND THE BORDER LINE OF EVERY INTERMEDIATE SECTION EXTENDING FROM A SECOND POINT ON SAID TRACK RELATIVE TO SAID ONE OF SAID RADIAL LINES AND SPACED FROM SAID FIRST POINT, AND A SECOND CIRCULAR COAXIAL TRACK HAVING ONE DISCONTINUITY IN THE SECTION OCCUPIED BY EACH OF SAID SECTIONS, SAID DISCONTINUITIES BEING LOCATED WITHIN THEIR SECTORS IDENTICAL ANGULAR LOCATION
References Cited (Backward Citations)
US3219828A
Cited
US3144555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |