US2958504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torch control valve
Assignee: Turner Corp
•
Filing: 1955-11-07
•
Granted: 1960-11-01
•
Expires: 1975-11-07
Abstract
No abstract record available.
Inventors
- 👤 William L Lindgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:50
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/30; F16K1/301; F16K1/302; F16K35/00; F16K35/02; F16K35/022; F16K35/025
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1280068A
Cited
US1740602A
Cited
US2035202A
Cited
US2388327A
Cited
US2715010A
Cited
US2655041A
Cited
US2672186A
Cited
US2683484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |