Patent US3529962A successfully refreshed from Google Patents.
US3529962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of washing and protecting photographic silver images
Assignee: Polaroid Corp
•
Filing: 1965-09-15
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Granted: 1970-09-22
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Expires: 1985-09-15
Abstract
No abstract record available.
Inventors
- 👤 Howard C Haas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:27
CPC Classifications
G; G03; G03C; G03C11/00; G03C11/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2874045A
Cited
US2830900A
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US2956877A
Cited
US2979477A
Cited
US3174858A
Cited
US3325283A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |