US2351996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling
Assignee: Capewell Manufacturing Co
•
Filing: 1940-08-03
•
Granted: 1944-06-20
•
Expires: 1960-08-03
Abstract
No abstract record available.
Inventors
- 👤 Porter S Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:14
CPC Classifications
F; F16; F16D; F16D41/00; F16D41/22
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) | 1947-06-20 | 1947-12-20 | 1948-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-06-20 | 1951-12-20 | 1952-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-06-20 | 1955-12-20 | 1956-06-20 | $7700.00 | Window Closed / Lapsed |