US3396433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making non-woven webs
Assignee: EIDP Inc
•
Filing: 1965-06-28
•
Granted: 1968-08-13
•
Expires: 1985-06-28
Abstract
No abstract record available.
Inventors
- 👤 William D Roxlo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:02
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/70; D04H1/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US735217A
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US735218A
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US2195158A
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US2731679A
Cited
FR1124490A
Cited
GB861476A
Cited
US3039137A
Cited
US3110182A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |