US2503302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Geiger counter and gas atmosphere therefor
Assignee: RADIATION COUNTER LAB Inc
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Filing: 1949-02-17
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Granted: 1950-04-11
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Expires: 1969-02-17
Abstract
No abstract record available.
Inventors
- 👤 Lloyd G Shore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:36
CPC Classifications
H; H01; H01J; H01J47/00; H01J47/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A SELF-QUENCHING GEIGER COUNTER CONTAINING OXYGEN, NITROGEN, XENON, AND ARGON IN SUCH PROPORTIONS THAT THEIR PARTIAL PRESSURES IN MM, OF MERCURY ARE AS FOLLOWS WHEN THE TOTAL GAS PRESSURE IS ABOUT 740 MM. OF MERCURY:
Claim 2
Dependent Claim
35 words
A SELF-QUENCHING GEIGER COUNTER CONTAINING OXYGEN, NITROGEN, XENON, AND ARGON IN SUCH PROPORTIONS THAT THEIR PARTIAL PRESSURES IN MM, OF MERCURY ARE AS FOLLOWS WHEN THE TOTAL GAS PRESSURE IS ABOUT 740 MM. OF MERCURY:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-10 | 1953-10-10 | 1954-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-10 | 1957-10-10 | 1958-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-10 | 1961-10-10 | 1962-04-11 | $7700.00 | Window Closed / Lapsed |