US2919475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Felting apparatus and method
Assignee: International Paper Co
•
Filing: 1953-06-15
•
Granted: 1960-01-05
•
Expires: 1973-06-15
Abstract
No abstract record available.
Inventors
- 👤 Heppenstall Thomas Earl
- 👤 Arthur L Mottet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:24
CPC Classifications
B; B27; B27N; B27N3/00; B27N3/08; B27N3/10; B27N3/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1336402A
Cited
USRE23044E
Cited
US1510236A
Cited
US1812108A
Cited
US2068587A
Cited
US2635301A
Cited
US2653353A
Cited
US2746096A
Cited
US2816327A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-04 | 1963-07-06 | 1964-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-04 | 1967-07-06 | 1968-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-04 | 1971-07-06 | 1972-01-05 | $7700.00 | Window Closed / Lapsed |