US3258495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thiol terminated polyoxyalkylene glycols
Assignee: Diamond Shamrock Corp
•
Filing: 1963-05-27
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Granted: 1966-06-28
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Expires: 1983-05-27
Abstract
No abstract record available.
Inventors
- 👤 Fave Gene M Le
- 👤 Frank Y Hayashi
- 👤 Abe W Fradkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:10
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/63; C; C07; C07C; C07C323/00; C08; C08G; C08G65/00; C08G65/02; C08G65/32; C08G65/321; C08G65/326; C08L; C08L63/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A POLYMER HAVING THE STRUCTURE:
Claim 2
Dependent Claim
5 words
A POLYMER HAVING THE STRUCTURE:
References Cited (Backward Citations)
US2581464A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |