Patent US3041355A successfully refreshed from Google Patents.
US3041355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Products related to muscarine and the preparation of such products
Assignee: Novartis Corp
•
Filing: 1958-05-01
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Granted: 1962-06-26
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Expires: 1978-05-01
Abstract
No abstract record available.
Inventors
- 👤 Eugster Conrad Hans
- 👤 Denss Rolf
- 👤 Girod Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:58
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/34; C07D307/56; C07D307/58; C07D307/04; C07D307/18; C07D307/20; C07D307/68
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
PROCESS FOR THE PRODUCTION OF AMINES OF THE TETRAHYDROFURANE SERIES OF THE FORMULA
Claim 2
Dependent Claim
13 words
PROCESS FOR THE PRODUCTION OF AMINES OF THE TETRAHYDROFURANE SERIES OF THE FORMULA
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |