Patent US3530131A successfully refreshed from Google Patents.
US3530131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Benzyl ethers
Assignee: BASF Corp
•
Filing: 1966-10-05
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Granted: 1970-09-22
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Expires: 1986-10-05
Abstract
No abstract record available.
Inventors
- 👤 George De Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:51
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/10; C07D295/104; C07D295/108; A; A23; A23K; A23K20/00; A23K20/10; A23K20/116; A23K20/137; C07D295/08; C07D295/12; C07D295/125; C07D295/13; C07D401/00; C07D401/02; C07D401/06; C09; C09B; C09B23/00; C09B23/10; C09B23/105; H; H04; H04N; H04N5/00; H04N5/64; Y; Y10; Y10S; Y10S426/00; Y10S426/807
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB970130A
Cited
US3168522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |