US2631893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal valve fitting for spray bar outlets
Assignee: Individual
•
Filing: 1950-12-11
•
Granted: 1953-03-17
•
Expires: 1970-12-11
Abstract
No abstract record available.
Inventors
- 👤 Horace A Cartwright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:29
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/12; E01C19/16; E01C19/17; E01C19/176; F; F16; F16K; F16K1/00; F16K1/02
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) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |