US3455916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certain n,n-disubstituted hydroxylamines
Assignee: Polaroid Corp
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Filing: 1966-07-19
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Granted: 1969-07-15
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Expires: 1986-07-19
Abstract
No abstract record available.
Inventors
- 👤 Milton Green
- 👤 Adnan A Sayigh
- 👤 Henri Ulrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:02
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/22; C07D295/24; G; G03; G03C; G03C5/00; G03C5/26; G03C5/29; G03C5/30; G03C5/3014; G03C8/00; G03C8/02; G03C8/04; G03C8/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |