US3002997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic products, processes and compositions
Assignee: Polaroid Corp
•
Filing: 1958-01-29
•
Granted: 1961-10-03
•
Expires: 1978-01-29
Abstract
No abstract record available.
Inventors
- 👤 Green Milton
- 👤 Myron S Simon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:54
CPC Classifications
C; C07; C07C; C07C255/00; G; G03; G03C; G03C5/00; G03C5/26; G03C5/29; G03C5/30; G03C5/3021; G03C8/00; G03C8/02; G03C8/04; G03C8/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA:
References Cited (Backward Citations)
US2618657A
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US1051577A
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DE499826C
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US2482546A
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US2533203A
Cited
US2563375A
Cited
US2726237A
Cited
US2730523A
Cited
US2865911A
Cited
US2768208A
Cited
US2757091A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-02 | 1965-04-03 | 1965-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-02 | 1969-04-03 | 1969-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-02 | 1973-04-03 | 1973-10-03 | $7700.00 | Window Closed / Lapsed |