Patent US2884529A successfully refreshed from Google Patents.
US2884529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gaseous scintillation counter
Assignee: Individual
•
Filing: 1955-04-18
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Granted: 1959-04-28
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Expires: 1975-04-18
Abstract
No abstract record available.
Inventors
- 👤 Eggler Charles
- 👤 Charles M Huddleston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:51
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/20; G01T1/205
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
AN APPARATUS FOR COUNTING SUBATOMIC PARTICLES AND ELECTROMAGNETIC RADIATION COMPRISING A GAS-TIGHT CHAMBER, AN ELEMENTAL GAS WITHIN THE CHAMBER RESPONSIVE TO SUBATOMIC PARTICLES AND ELECTROMAGNETIC RADIATION TO PRODUCE ULTRA-VIOLET EXCITATION QUANTA AND HAVING LESS THAN ONE IN A THOUSAND PARTS ULTRA-VIOLET ABSORBING CONTAMINATION, A FLUORESCENT MATERIAL OPTICALLY ASSOCIATED WITH THE GAS, SAID FLUORESCENT MATERIAL RESPONSIVE TO THE ULTRA-VIOLET EXCITATION QUANTA TO PRODUCE VISIBLE EXCITATION QUANTA, AND PHOTOSENSITIVE COUNTING MEANS OPTICALLY COUPLED TO THE FLUORESCENT MATERIAL.
Claim 2
Independent Claim
75 words
AN APPARATUS FOR COUNTING SUBATOMIC PARTICLES AND ELECTROMAGNETIC RADIATION COMPRISING A GAS-TIGHT CHAMBER, AN ELEMENTAL GAS WITHIN THE CHAMBER RESPONSIVE TO SUBATOMIC PARTICLES AND ELECTROMAGNETIC RADIATION TO PRODUCE ULTRA-VIOLET EXCITATION QUANTA AND HAVING LESS THAN ONE IN A THOUSAND PARTS ULTRA-VIOLET ABSORBING CONTAMINATION, A FLUORESCENT MATERIAL OPTICALLY ASSOCIATED WITH THE GAS, SAID FLUORESCENT MATERIAL RESPONSIVE TO THE ULTRA-VIOLET EXCITATION QUANTA TO PRODUCE VISIBLE EXCITATION QUANTA, AND PHOTOSENSITIVE COUNTING MEANS OPTICALLY COUPLED TO THE FLUORESCENT MATERIAL.
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) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |