Patent US3034955A successfully refreshed from Google Patents.
US3034955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aryl sulphonamide insecticides
Assignee: Novartis AG
•
Filing: 1958-09-08
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Granted: 1962-05-15
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Expires: 1978-09-08
Abstract
No abstract record available.
Inventors
- 👤 Frick Wilhelm Ernst
- 👤 Stammbach Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:59
CPC Classifications
C; C07; C07C; C07C311/00; C07C311/15
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
28 words
PROCESS FOR THE PROTECTION OF KERATINE MATERIAL FROM INJURIOUS INSECTS WHICH COMPRISES APPLYING ON THE KERATINE FIBRES AND ON TEXTILES CONTAINING KERATINE, A COMPOUND OF THE GENERAL FORMULA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |