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Patent US3206502A successfully refreshed from Google Patents.
US3206502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-sec.-butenyl phenyl n-methyl carbamate and 2-sec. butenyl-4-methyl phenyl n-methylcarbamate
Assignee: Bayer AG
•
Filing: 1962-02-27
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Granted: 1965-09-14
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Expires: 1982-02-27
Abstract
No abstract record available.
Inventors
- 👤 Heiss Rudolf
- 👤 Bocker Ernst
- 👤 Unterstenhofer Gunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:53
CPC Classifications
C; C07; C07C; C07C271/00; C07C271/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US1252452A
Cited
US3062865A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |