US3471470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel derivatives of desglucohellebrin
Assignee: C.H. Boehringer Sohn AG and Co KG
•
Filing: 1966-12-14
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Granted: 1969-10-07
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Expires: 1986-12-14
Abstract
No abstract record available.
Inventors
- 👤 Joachim Heider
- 👤 Hans Machleidt
- 👤 Walter Kobinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:31
CPC Classifications
H; H04; H04Q; H04Q3/00; H04Q3/42; C; C07; C07J; C07J19/00; C07J75/00; H04M; H04M1/00; H04M1/26; H04M1/515; H04Q1/00; H04Q1/18; H04Q1/30; H04Q1/32; H04Q1/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3177200A
Cited
US3223587A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |