Patent US3097911A successfully refreshed from Google Patents.
US3097911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of reserving wool with bis-tri-
Assignee: —
•
Filing: —
•
Granted: 1963-07-16
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Expires: 1980-07-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:58
CPC Classifications
D; D06; D06P; D06P5/00; D06P5/12; C; C07; C07D; C07D251/00; C07D251/02; C07D251/12; C07D251/26; C07D251/40; C07D251/48; C07D251/50; C07D251/54; D06L; D06L4/00; D06L4/60; D06P3/00; D06P3/02; D06P3/04; D06P3/24; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/917; Y10S8/92; Y10S8/924
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
PROCESS OF RESERVING NATURAL PROTEINS AND SYNTHETIC POLYAMIDES AGAINST DYEING BY SUBSTANTIVE DYES WHICH COMPRISES APPLYING THERETO A RESERVING AGENT HAVING THE FORMULA:
Claim 2
Dependent Claim
23 words
PROCESS OF RESERVING NATURAL PROTEINS AND SYNTHETIC POLYAMIDES AGAINST DYEING BY SUBSTANTIVE DYES WHICH COMPRISES APPLYING THERETO A RESERVING AGENT HAVING THE 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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |