Patent US1814481A successfully refreshed from Google Patents.
US1814481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conduit fitting
Assignee: Erie Malleable Iron Co
•
Filing: 1927-09-08
•
Granted: 1931-07-14
•
Expires: 1947-09-08
Abstract
No abstract record available.
Inventors
- 👤 Jr George Ralph Metcalf
- 👤 Raybould Frank James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:57
CPC Classifications
F; F16; F16L; F16L19/00; F16L19/06; F16L19/065; F16L19/0656; H; H02; H02G; H02G3/00; H02G3/02; H02G3/06
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) | 1934-07-13 | 1935-01-12 | 1935-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-07-13 | 1939-01-12 | 1939-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-07-13 | 1943-01-12 | 1943-07-14 | $7700.00 | Window Closed / Lapsed |