US2361811A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe joint or coupling
Assignee: Individual
•
Filing: 1942-10-27
•
Granted: 1944-10-31
•
Expires: 1962-10-27
Abstract
No abstract record available.
Inventors
- 👤 Lilla M Badger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:47
CPC Classifications
F; F16; F16L; F16L39/00; F16L39/04; D; D21; D21F; D21F5/00; D21F5/02; D21F5/021
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) | 1947-10-31 | 1948-05-01 | 1948-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-10-31 | 1952-05-01 | 1952-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-10-31 | 1956-05-01 | 1956-10-31 | $7700.00 | Window Closed / Lapsed |