Patent US2688097A successfully refreshed from Google Patents.
US2688097A
Expired / Lapsed
US
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Nitric oxide counter
Assignee: Individual
•
Filing: 1952-03-25
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Granted: 1954-08-31
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Expires: 1972-03-25
Abstract
No abstract record available.
Inventors
- 👤 Friedman Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:52
CPC Classifications
H; H01; H01J; H01J47/00; H01J47/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A GEIGER-MUELLER TUBE COMPRISING A SEALED CASING, A CATHODE MEMBER AND AN ANODE MEMBER WITHIN SAID CASING, MEANS FOR CONNECTING SAID CATHODE AND SAID ANODE TO A SOURCE OF POTENTIAL, A GASEOUS FILLING WITHIN SAID CASING, SAID FILLING CONSISTING ESSENTIALLY OF A RATE GAS SELECTED FROM THE GROUP CONSISTING OF ARGON, XENON, NEON, HELIUM AND KRYPTON, AND FROM ABOUT 0.5% TO ABOUT 5.0% OF NITRIC OXIDE.
Claim 2
Dependent Claim
66 words
A GEIGER-MUELLER TUBE COMPRISING A SEALED CASING, A CATHODE MEMBER AND AN ANODE MEMBER WITHIN SAID CASING, MEANS FOR CONNECTING SAID CATHODE AND SAID ANODE TO A SOURCE OF POTENTIAL, A GASEOUS FILLING WITHIN SAID CASING, SAID FILLING CONSISTING ESSENTIALLY OF A RATE GAS SELECTED FROM THE GROUP CONSISTING OF ARGON, XENON, NEON, HELIUM AND KRYPTON, AND FROM ABOUT 0.5% TO ABOUT 5.0% OF NITRIC OXIDE.
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) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |