US3523033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure wet-fixation of resins in cellulosic fabrics by the action of heat and pressure
Assignee: United States Department of Agriculture
•
Filing: 1968-03-12
•
Granted: 1970-08-04
•
Expires: 1988-03-12
Abstract
No abstract record available.
Inventors
- 👤 Gerald B Verburg
- 👤 Alvin H P Young
- 👤 Frank W Snowden
- 👤 Sidney L Vail
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:12
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2369; Y10T442/2393
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2763574A
Cited
US2804402A
Cited
US3052570A
Cited
US3245831A
Cited
US3138802A
Cited
US3177093A
Cited
US3374107A
Cited
US3341955A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |