US2962425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for analyzing materials
Assignee: Leica Microsystems Inc
•
Filing: 1958-08-28
•
Granted: 1960-11-29
•
Expires: 1978-08-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Jay Randolph Sharpsteen
- 👤 Harold A Scheraga
- 👤 Butterworth Julian Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:07
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/447; G01N27/44704; G01N27/44717; G01N27/4473
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
THE METHOD OF ANALYZING A MATERIAL CONTAINING AT LEAST ONE CONSTITUENT ON A CARRIER COMPRISING THE STEPS OF TREATING SAID MATERIAL AND CARRIER WITH A SOLUTION CONTAINING METAL IONS HAVING A SPECIFIC AFFINITY FOR SAID CONSTITUENT TO LEAVE A FILM OF SAID SOLUTION ON SAID CARRIER, PLACING AT LEAST TWO ELECTRODES IN CONTACT WITH SAID SOLUTION MOVING AT LEAST ONE ELECTRODE RELATIVE TO THE CARRIER AND IN CONTACT WITH THE MATERIAL, AND INDICATING THE VOLTAGE GENERATED BETWEEN THE ELECTRODES WHILE MOVING SAID ONE ELECTRODE.
Claim 2
Independent Claim
84 words
THE METHOD OF ANALYZING A MATERIAL CONTAINING AT LEAST ONE CONSTITUENT ON A CARRIER COMPRISING THE STEPS OF TREATING SAID MATERIAL AND CARRIER WITH A SOLUTION CONTAINING METAL IONS HAVING A SPECIFIC AFFINITY FOR SAID CONSTITUENT TO LEAVE A FILM OF SAID SOLUTION ON SAID CARRIER, PLACING AT LEAST TWO ELECTRODES IN CONTACT WITH SAID SOLUTION MOVING AT LEAST ONE ELECTRODE RELATIVE TO THE CARRIER AND IN CONTACT WITH THE MATERIAL, AND INDICATING THE VOLTAGE GENERATED BETWEEN THE ELECTRODES WHILE MOVING SAID ONE ELECTRODE.
References Cited (Backward Citations)
US2063992A
Cited
US2192404A
Cited
US2215213A
Cited
US2288180A
Cited
US2316340A
Cited
US2843540A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |