US2434020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulating valve
Assignee: Malsbary Manufacturing Co
•
Filing: 1942-12-26
•
Granted: 1948-01-06
•
Expires: 1962-12-26
Abstract
No abstract record available.
Inventors
- 👤 Walter W Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:25
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/024; G05D23/026; G05D23/027; F; F23; F23D; F23D11/00; F23D11/36; F23D11/46; F23K; F23K5/00; F23K5/02; F23K5/14; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2511; Y10T137/7722; Y10T137/7781
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1133738A
Cited
US1380787A
Cited
US1585732A
Cited
US2070411A
Cited
US1770273A
Cited
US1899396A
Cited
US2064343A
Cited
US2115665A
Cited
US2100997A
Cited
US2312877A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-05 | 1951-07-07 | 1952-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-05 | 1955-07-07 | 1956-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-05 | 1959-07-07 | 1960-01-06 | $7700.00 | Window Closed / Lapsed |