US2931833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Benzyldialkyl-2-(1-hydroxy-alkyl) alkyl ammonium chloride compounds
Assignee: Armour and Co
•
Filing: 1954-12-29
•
Granted: 1960-04-05
•
Expires: 1974-12-29
Abstract
No abstract record available.
Inventors
- 👤 Joseph Z Matt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:35
CPC Classifications
—
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
BENZYLDIMETHYL-2-(1-HYDROXYOCTYL) OCTYL AMMONIUM CHLORIDE.
Claim 2
Dependent Claim
4 words
BENZYLDIMETHYL-2-(1-HYDROXYOCTYL) OCTYL AMMONIUM CHLORIDE.
References Cited (Backward Citations)
DE247145C
Cited
DE233519C
Cited
US644427A
Cited
US2221931A
Cited
FR997728A
Cited
FR1017761A
Cited
US2686808A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |