Patent US2460042A successfully refreshed from Google Patents.
US2460042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making cockle paper
Assignee: Rice Barton Corp
•
Filing: 1945-01-13
•
Granted: 1949-01-25
•
Expires: 1965-01-13
Abstract
No abstract record available.
Inventors
- 👤 Stephen B Stafford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:37
CPC Classifications
D; D21; D21G; D21G9/00; D21F; D21F5/00; D21F5/18; D21F5/185
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1951004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-25 | 1952-07-26 | 1953-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-25 | 1956-07-26 | 1957-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-25 | 1960-07-26 | 1961-01-25 | $7700.00 | Window Closed / Lapsed |