Patent US2858629A successfully refreshed from Google Patents.
US2858629A
Expired / Lapsed
US
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Illuminating display device for photographic transparencies
Assignee: Individual
•
Filing: 1956-01-05
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Granted: 1958-11-04
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Expires: 1976-01-05
Abstract
No abstract record available.
Inventors
- 👤 Melvin A Carter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:50
CPC Classifications
G; G09; G09F; G09F13/00; G09F13/04; G09F13/08; G09F13/10; G02; G02B; G02B27/00; G02B27/02; G02B27/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1846533A
Cited
US1145692A
Cited
US1617304A
Cited
GB495984A
Cited
US2705784A
Cited
US2646636A
Cited
GB698785A
Cited
US2756529A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |