US2351141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saddle coupling
Assignee: MB Skinner Co
•
Filing: 1941-05-15
•
Granted: 1944-06-13
•
Expires: 1961-05-15
Abstract
No abstract record available.
Inventors
- 👤 Patterson D Merrill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:47
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/04; F16L41/06
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) | 1947-06-13 | 1947-12-13 | 1948-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-06-13 | 1951-12-13 | 1952-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-06-13 | 1955-12-13 | 1956-06-13 | $7700.00 | Window Closed / Lapsed |