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Patent US3035030A successfully refreshed from Google Patents.
US3035030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thioketenes and polymers
Assignee: EIDP Inc
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Filing: 1960-06-10
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Granted: 1962-05-15
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Expires: 1980-06-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Edward G Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:21
CPC Classifications
C; C08; C08G; C08G75/00; C08G75/02; C07; C07C; C07C325/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
5 words
A SOLID HOMOPOLYMER OF METHYLTHIOKETENE.
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) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |