US2978479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pest control agents
Assignee: Bayer AG
•
Filing: 1959-03-04
•
Granted: 1961-04-04
•
Expires: 1979-03-04
Abstract
No abstract record available.
Inventors
- 👤 Kayser Heinrich
- 👤 Schrader Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:46
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/22; C07F9/24; C07F9/2404; C07F9/242
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A PHOSPHORIC ACID AMIDE OF THE FOLLOWING FORMULA
Claim 2
Dependent Claim
8 words
A PHOSPHORIC ACID AMIDE OF THE FOLLOWING FORMULA
References Cited (Backward Citations)
US2552539A
Cited
US2875233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |