US2993915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tetrahydrofuryl and tetrahydrofurfuryl glycidyl ethers
Assignee: Rohm and Haas Co
•
Filing: 1959-02-06
•
Granted: 1961-07-25
•
Expires: 1979-02-06
Abstract
No abstract record available.
Inventors
- 👤 Leo S Luskin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:35
CPC Classifications
C; C07; C07D; C07D407/00; C07D407/02; C07D407/12; C07D307/00; C07D307/02; C07D307/04; C07D307/10; C07D307/12; C07D307/18; C07D307/20; D; D06; D06M; D06M13/00; D06M13/10; D06M13/11; D06M15/00; D06M15/19; D06M15/37; D06M15/55; Y; Y10; Y10S; Y10S8/00; Y10S8/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
AS A COMPOSITION OF MATTER, A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
10 words
AS A COMPOSITION OF MATTER, A COMPOUND OF THE 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) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |