US3422075A
Expired / Lapsed
US
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Polymers modified with a monosulfonyl isocyanate
Assignee: Polaroid Corp
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Filing: 1966-07-01
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Granted: 1969-01-14
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Expires: 1986-07-01
Abstract
No abstract record available.
Inventors
- 👤 Lloyd D Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:54
CPC Classifications
C; C08; C08B; C08B3/00; C08B3/22; C08B15/00; C08B15/05; C08B15/06; C08F; C08F8/00; C08F8/34; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/62; C08G18/6283; C08G18/64; C08G18/6484; C08G18/70; C08G18/72; C08G18/77; C08G18/775; C08F2800/00; C08F2800/10; C08F2800/20
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) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |