US2477592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling for overhead irrigation pipes
Assignee: Individual
•
Filing: 1947-04-07
•
Granted: 1949-08-02
•
Expires: 1967-04-07
Abstract
No abstract record available.
Inventors
- 👤 Ellsworth D Gage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:00
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/02; F16L27/026; F16L27/12; F16L27/127; F16L27/1275; F16L37/00; F16L37/50; F16L37/54
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-01 | 1953-01-31 | 1953-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-01 | 1957-01-31 | 1957-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-01 | 1961-01-31 | 1961-08-02 | $7700.00 | Window Closed / Lapsed |