US2764601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile assistants
Assignee: Arnold Hoffman & Co Inc
•
Filing: 1953-02-24
•
Granted: 1956-09-25
•
Expires: 1973-02-24
Abstract
No abstract record available.
Inventors
- 👤 Bertram J Garceau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:02
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/432; D06M7/00; D06M2200/00; D06M2200/40; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2311; Y10T442/2418; Y10T442/2443; Y10T442/2582
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A TEXTILE ASSISTANT POSSESSING IMPROVED RESISTANCE TO YELLOWING, SAID ASSISTANT COMPRISING THE CONDENSATE OBTAINED BY HEATING TOGETHER FROM 4 TO 15 MOLS OF ETHYLENE OXIDE AND ONE MOL OF AN AMIDO CONDENSATION PRODUCT SELECTED FROM THE GROUP CONSISTING OF CARBAMYL COMPOUNDS AND ACID SALTS THEREOF HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
49 words
A TEXTILE ASSISTANT POSSESSING IMPROVED RESISTANCE TO YELLOWING, SAID ASSISTANT COMPRISING THE CONDENSATE OBTAINED BY HEATING TOGETHER FROM 4 TO 15 MOLS OF ETHYLENE OXIDE AND ONE MOL OF AN AMIDO CONDENSATION PRODUCT SELECTED FROM THE GROUP CONSISTING OF CARBAMYL COMPOUNDS AND ACID SALTS THEREOF HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |