US2451456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stall cock
Assignee: RITE WAY PRODUCTS Co
•
Filing: 1945-07-20
•
Granted: 1948-10-12
•
Expires: 1965-07-20
Abstract
No abstract record available.
Inventors
- 👤 Rawson Emanuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:17
CPC Classifications
F; F16; F16L; F16L29/00; F16L29/007; A; A01; A01J; A01J5/00; A01J5/04; A01J5/044
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE367984C
Cited
US1970845A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-12 | 1952-04-12 | 1952-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-12 | 1956-04-12 | 1956-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-12 | 1960-04-12 | 1960-10-12 | $7700.00 | Window Closed / Lapsed |