US2525720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic product
Assignee: Polaroid Corp
•
Filing: 1947-01-09
•
Granted: 1950-10-10
•
Expires: 1967-01-09
Abstract
No abstract record available.
Inventors
- 👤 Newell W Pinkham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:21
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/48; G03B17/50; G03B17/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1081770A
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US1101230A
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US1424816A
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US1468088A
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US1504920A
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US2049529A
Cited
US2103389A
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US2214446A
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US2322006A
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US2322005A
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US2322027A
Cited
US2315966A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |