Patent US1950858A successfully refreshed from Google Patents.
US1950858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rope
Assignee: Columbian Rope Co
•
Filing: 1932-11-05
•
Granted: 1934-03-13
•
Expires: 1952-11-05
Abstract
No abstract record available.
Inventors
- 👤 Harold G Metcalf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:49
CPC Classifications
D; D07; D07B; D07B1/00; D07B1/16; D07B1/162; D07B1/02; D07B1/06; D07B1/0693; D07B1/14; D07B1/141; D07B1/142; D07B2201/00; D07B2201/10; D07B2201/1012; D07B2201/1016; D07B2201/1028; D07B2201/1036; D07B2201/104; D07B2201/1076; D07B2201/108; D07B2201/20; D07B2201/2083; D07B2201/2087; D07B2201/2089; D07B2201/209; D07B2205/00; D07B2205/30; D07B2205/3021; D07B2205/50; D07B2205/507
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-03-12 | 1937-09-11 | 1938-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-03-12 | 1941-09-11 | 1942-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-03-12 | 1945-09-11 | 1946-03-13 | $7700.00 | Window Closed / Lapsed |