US3506744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for forming nonwoven web
Assignee: EIDP Inc
•
Filing: 1968-11-25
•
Granted: 1970-04-14
•
Expires: 1988-11-25
Abstract
No abstract record available.
Inventors
- 👤 Larry Melvin Talbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:31
CPC Classifications
D; D04; D04H; D04H3/00; D04H3/08; D04H3/16; C; C08; C08G; C08G63/00; C08G63/68; C08G63/688; C08G63/6884; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098; D01; D01F; D01F1/00; D01F1/02; D01F1/09; D01F6/00; D01F6/58; D01F6/62; D01F6/78; D01F6/84; D02; D02J; D02J1/00; D02J1/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2074285A
Cited
US2924503A
Cited
US2927841A
Cited
GB954024A
Cited
US3338992A
Cited
US3156752A
Cited
US3367926A
Cited
US3402227A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-13 | 1973-10-13 | 1974-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-13 | 1977-10-13 | 1978-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-13 | 1981-10-13 | 1982-04-14 | $7700.00 | Window Closed / Lapsed |