US2880647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magazine type record card projector
Assignee: SUPREME PHOTO PRODUCTS Inc
•
Filing: 1956-03-02
•
Granted: 1959-04-07
•
Expires: 1976-03-02
Abstract
No abstract record available.
Inventors
- 👤 Swinnerton Gerald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:56
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2696688A
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US1093401A
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US1407646A
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US1387294A
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US2016711A
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US2021648A
Cited
US2223334A
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US2353888A
Cited
US2734743A
Cited
US2705437A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |