US2851237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Counter display unit
Assignee: West Virginia Pulp and Paper Co
•
Filing: 1954-09-13
•
Granted: 1958-09-09
•
Expires: 1974-09-13
Abstract
No abstract record available.
Inventors
- 👤 Charles D Welshenbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:53
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/10; A47F5/11; A47F5/112
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1806907A
Cited
US809785A
Cited
US1086690A
Cited
US1342313A
Cited
US1281260A
Cited
US1391479A
Cited
US1415224A
Cited
US1565026A
Cited
US1976421A
Cited
US2360014A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |