US2238462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe joint
Assignee: Individual
•
Filing: 1940-05-01
•
Granted: 1941-04-15
•
Expires: 1960-05-01
Abstract
No abstract record available.
Inventors
- 👤 Daniel H Crepeau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:57
CPC Classifications
F; F16; F16L; F16L23/00; F16L23/16; F16L23/162; F16L19/00; F16L19/02; F16L19/0212; F16L19/0225; F16L23/02; F16L23/024; F16L23/028; F16L23/0286
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) | 1944-04-14 | 1944-10-14 | 1945-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-04-14 | 1948-10-14 | 1949-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-04-14 | 1952-10-14 | 1953-04-15 | $7700.00 | Window Closed / Lapsed |