US3147065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quaternized halomethylamides
Assignee: 3M Co
•
Filing: 1960-05-02
•
Granted: 1964-09-01
•
Expires: 1980-05-02
Abstract
No abstract record available.
Inventors
- 👤 Robert J Koshar
- 👤 Harvey A Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:41
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/06; C07D213/16; C07D213/20; C07D215/00; C07D215/02; C07D215/04; C07D215/10; D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/408
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
6 words
A HALOMETHYL AMIDE OF THE FORMUULA:
Claim 2
Dependent Claim
6 words
A HALOMETHYL AMIDE OF THE FORMUULA:
Claim 3
Dependent Claim
20 words
THE PROCESS FOR RENDERING FIBROUS MATERIALS WATERAND OIL-REPELLENT, WHICH COMPRISES TREATING THE FIBROUS MATERIAL WITH A COMPOUND OF THE FORMULA:
Claim 4
Dependent Claim
20 words
THE PROCESS FOR RENDERING FIBROUS MATERIALS WATERAND OIL-REPELLENT, WHICH COMPRISES TREATING THE FIBROUS MATERIAL WITH A COMPOUND OF THE FORMULA:
References Cited (Backward Citations)
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US2764602A
Cited
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Cited
US2750389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |