Patent US2711530A successfully refreshed from Google Patents.
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 03:05
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)
US1532782A
Cited
US2083292A
Cited
US2155471A
Cited
US2074226A
Cited
US2549860A
Cited
US2225044A
Cited
US2372359A
Cited
US2546160A
Cited
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 |