US3489592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and device for coating or covering paper or sheet material with surface layers
Assignee: BILLINGSFORS LANGED AB
•
Filing: 1966-04-26
•
Granted: 1970-01-13
•
Expires: 1986-04-26
Abstract
No abstract record available.
Inventors
- 👤 Hans Ivar Wallsten Fengersfors
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:26
CPC Classifications
D; D21; D21H; D21H23/00; D21H23/02; D21H23/22; D21H23/32; D21H23/40; B; B05; B05C; B05C3/00; B05C3/02; B05C3/12; B05C3/125; B05C3/18; D21H19/00; D21H19/80; D21H19/84; D21H23/42; B05C11/00; B05C11/02; B05C11/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |