US2799209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fourerinier papermaking machine
Assignee: Black Clawson Co
•
Filing: 1952-03-28
•
Granted: 1957-07-16
•
Expires: 1972-03-28
Abstract
No abstract record available.
Inventors
- 👤 Isle R Wisner
- 👤 Wesley S Corbin
- 👤 Walden Henrik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:34
CPC Classifications
D; D21; D21F; D21F9/00; D21F9/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1586204A
Cited
US1790082A
Cited
US1713988A
Cited
US1738520A
Cited
US1851941A
Cited
US2039780A
Cited
US1880685A
Cited
US1860303A
Cited
US1917288A
Cited
US2003103A
Cited
US2055692A
Cited
US1998095A
Cited
US2047422A
Cited
US2145226A
Cited
US2360773A
Cited
US2634658A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-15 | 1961-01-14 | 1961-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-15 | 1965-01-14 | 1965-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-15 | 1969-01-14 | 1969-07-16 | $7700.00 | Window Closed / Lapsed |