US3499822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extruded,expanded mat-like or web-like fibrillar sheet assembly and method for its production
Assignee: Individual
•
Filing: 1966-02-21
•
Granted: 1970-03-10
•
Expires: 1986-02-21
Abstract
No abstract record available.
Inventors
- 👤 Ole-Bendt Rasmussen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:30
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/42; D01D5/423; D01F; D01F6/00; Y; Y10; Y10S; Y10S264/00; Y10S264/47; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786; Y10T428/31855; Y10T428/31938; Y10T442/00; Y10T442/60; Y10T442/608; Y10T442/614; Y10T442/626
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CA665067A
Cited
US3382305A
Cited
US3097991A
Cited
US3092891A
Cited
GB930074A
Cited
GB982114A
Cited
US3330899A
Cited
US3173163A
Cited
US3322854A
Cited
FR1415396A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |