Patent US2810677A successfully refreshed from Google Patents.
Patent US2785485A successfully refreshed from Google Patents.
US2785485A
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Combination package and viewer for photographic transparencies or the like
Assignee: Individual
•
Filing: 1955-11-14
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Granted: 1957-03-19
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Expires: 1975-11-14
Abstract
No abstract record available.
Inventors
- 👤 John F Cameron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:36
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/36; G; G02; G02B; G02B27/00; G02B27/02; G02B27/022; G02B27/024; G03; G03B; G03B21/00; G03B21/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US335178A
Cited
US481173A
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US677108A
Cited
US949904A
Cited
US1989454A
Cited
GB495984A
Cited
US2654173A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-18 | 1960-09-17 | 1961-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-18 | 1964-09-17 | 1965-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-18 | 1968-09-17 | 1969-03-19 | $7700.00 | Window Closed / Lapsed |