Patent US2906741A successfully refreshed from Google Patents.
US2906741A
Expired / Lapsed
US
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Polymerizable organic sulfides
Assignee: Rohm and Haas Co
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Filing: 1956-04-20
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Granted: 1959-09-29
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Expires: 1976-04-20
Abstract
No abstract record available.
Inventors
- 👤 Jesse C H Hwa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:03
CPC Classifications
C; C08; C08F; C08F28/00; C07; C07C; C07C323/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
11 words
A POLYMER OF AN ORGANIC SULFIDE WHICH HAS THE GENERAL FORMULA
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) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |