US2866477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined throttle and stop valve
Assignee: Crane Co
•
Filing: 1954-03-19
•
Granted: 1958-12-30
•
Expires: 1974-03-19
Abstract
No abstract record available.
Inventors
- 👤 Kurt B Bredtschneider
- 👤 Hubert C Laird
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:02
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/34; F16K1/44; F16K1/36; F16K1/38; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86928; Y10T137/87917; Y10T137/88038; Y10T137/88054
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US208986A
Cited
US969803A
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US1152604A
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US1136606A
Cited
US1547398A
Cited
FR740137A
Cited
US2213488A
Cited
US2500156A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-29 | 1962-06-30 | 1962-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-29 | 1966-06-30 | 1966-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-29 | 1970-06-30 | 1970-12-30 | $7700.00 | Window Closed / Lapsed |