US2473069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for manufacture of paper
Assignee: Individual
•
Filing: 1945-04-27
•
Granted: 1949-06-14
•
Expires: 1965-04-27
Abstract
No abstract record available.
Inventors
- 👤 Nicholas J Niks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:05
CPC Classifications
D; D21; D21F; D21F9/00; D21F9/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE248021C
Cited
US581732A
Cited
DE343493C
Cited
US2036168A
Cited
US2028952A
Cited
US2154719A
Cited
US2127698A
Cited
US2186761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-13 | 1952-12-13 | 1953-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-13 | 1956-12-13 | 1957-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-13 | 1960-12-13 | 1961-06-14 | $7700.00 | Window Closed / Lapsed |