Patent US3328146A successfully refreshed from Google Patents.
US3328146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing an analyzer electrode system for mass spectrometers
Assignee: Siemens Schuckertwerke AG
•
Filing: 1963-07-17
•
Granted: 1967-06-27
•
Expires: 1983-07-17
Abstract
No abstract record available.
Inventors
- 👤 Hanlein Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:31
CPC Classifications
H; H01; H01J; H01J49/00; H01J49/26; H01J49/34; H01J49/42; H01J49/4205; H01J49/421; H01J49/4215; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49204; Y10T29/49208; Y10T29/49218
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
THE METHOD OF PRODUCING A TWIST-FREE ASSEMBLY OF ELONGATED AND SYMMETRICALLY PARALLEL ELECTRODE RODS ADJACENT ONES OF WHICH ARE EQUIDISTANTLY SPACED FROM EACH OTHER ALONG THEIR ENTIRE LENGTH AND OPPOSITE ONES OF WHICH ARE EQUIDISTANTLY SPACED FROM EACH OTHER ALONG THEIR ENTIRE LENGTHS, THE DISTANCES BETWEEN EACH SET OF ADJACENT RODS BEING THE SAME AND THE DISTANCES BETWEEN EACH SET OF OPPOSITE RODS BEING THE SAME, SAID RODS BEING UTILIZED AS THE DEFLECTOR ELECTRODES OF THE ANALYZER SYSTEM OF A MASS SPECTROMETER, SAID METHOD COMPROSING THE STEPS OF PLACING A TUBE OF ELECTRICALLY POORLY CONDUCTING AND SOFTENABLE MATERIAL COAXIALLY OVER AN ELONGATED CORE MOLD HAVING GROOVES PARALLEL TO THE AXIS OF THE MOLD FORMED THEREIN, SOFTENING THE TUBE MATERIAL TO CONFORM ITS SHAPE TO THAT OF THE GROOVES, HARDENING THE MATERIAL SO THAT THE PART IN THE GROOVES FORMS INWARDLY PROTRUDING RIGID TUBE PORTIONS, REMOVING THE MOLD FROM THE TUBE, AND METALLIZING THE INNER SURFACE OF THE PROTRUDING PORTIONS OF THE TUBE WHEREBY THE METALLIZED PORTIONS ARE ADAPTED FOR USE AS THE DEFLECTOR ELECTRODE RODS.
Claim 2
Independent Claim
175 words
THE METHOD OF PRODUCING A TWIST-FREE ASSEMBLY OF ELONGATED AND SYMMETRICALLY PARALLEL ELECTRODE RODS ADJACENT ONES OF WHICH ARE EQUIDISTANTLY SPACED FROM EACH OTHER ALONG THEIR ENTIRE LENGTH AND OPPOSITE ONES OF WHICH ARE EQUIDISTANTLY SPACED FROM EACH OTHER ALONG THEIR ENTIRE LENGTHS, THE DISTANCES BETWEEN EACH SET OF ADJACENT RODS BEING THE SAME AND THE DISTANCES BETWEEN EACH SET OF OPPOSITE RODS BEING THE SAME, SAID RODS BEING UTILIZED AS THE DEFLECTOR ELECTRODES OF THE ANALYZER SYSTEM OF A MASS SPECTROMETER, SAID METHOD COMPROSING THE STEPS OF PLACING A TUBE OF ELECTRICALLY POORLY CONDUCTING AND SOFTENABLE MATERIAL COAXIALLY OVER AN ELONGATED CORE MOLD HAVING GROOVES PARALLEL TO THE AXIS OF THE MOLD FORMED THEREIN, SOFTENING THE TUBE MATERIAL TO CONFORM ITS SHAPE TO THAT OF THE GROOVES, HARDENING THE MATERIAL SO THAT THE PART IN THE GROOVES FORMS INWARDLY PROTRUDING RIGID TUBE PORTIONS, REMOVING THE MOLD FROM THE TUBE, AND METALLIZING THE INNER SURFACE OF THE PROTRUDING PORTIONS OF THE TUBE WHEREBY THE METALLIZED PORTIONS ARE ADAPTED FOR USE AS THE DEFLECTOR ELECTRODE RODS.
References Cited (Backward Citations)
US1406542A
Cited
US1301714A
Cited
US1583464A
Cited
US1953625A
Cited
US2359501A
Cited
US2219107A
Cited
US2556864A
Cited
US2874325A
Cited
US2822501A
Cited
US2945327A
Cited
US2933634A
Cited
US3025426A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |