US2320543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire rope clamp and socket
Assignee: Individual
•
Filing: 1941-10-31
•
Granted: 1943-06-01
•
Expires: 1961-10-31
Abstract
No abstract record available.
Inventors
- 👤 Reginald A Doughty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:34
CPC Classifications
E; E21; E21B; E21B17/00; E21B17/02; E21B17/023; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7047; Y10T403/7051; Y10T403/7052; Y10T403/7056
Claims Analysis
Total Claims: 0
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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) | 1946-05-31 | 1946-11-30 | 1947-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-05-31 | 1950-11-30 | 1951-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-05-31 | 1954-11-30 | 1955-06-01 | $7700.00 | Window Closed / Lapsed |