US2711530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio-wave phosphorescent indicator
Assignee: Individual
•
Filing: 1951-06-20
•
Granted: 1955-06-21
•
Expires: 1971-06-20
Abstract
No abstract record available.
Inventors
- 👤 Robert H Rines
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:09
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/88; G01S13/89; C; C09; C09K; C09K11/00; C09K11/04; G01R; G01R29/00; G01R29/08; G01R29/0864; G01R29/0892; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A METHOD OF THE CHARACTER DESCRIBED THAT COMPRISES, EXCITING A PHOSPHOR TO CAUSE IT TO PHOSPHORESCE, DIRECTING RADIO WAVES FROM A SOURCE OF RADIO WAVES UPON THE PHOSPHOR DURING THE PHOSPHORESCENCE, AND INDICATING THE EFFECT UPON THE PHOSPHORESCENCE OF THE RADIO WAVES.
Claim 2
Independent Claim
42 words
A METHOD OF THE CHARACTER DESCRIBED THAT COMPRISES, EXCITING A PHOSPHOR TO CAUSE IT TO PHOSPHORESCE, DIRECTING RADIO WAVES FROM A SOURCE OF RADIO WAVES UPON THE PHOSPHOR DURING THE PHOSPHORESCENCE, AND INDICATING THE EFFECT UPON THE PHOSPHORESCENCE OF THE RADIO WAVES.
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-20 | 1958-12-20 | 1959-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-20 | 1962-12-20 | 1963-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-20 | 1966-12-20 | 1967-06-21 | $7700.00 | Window Closed / Lapsed |