US2744651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure vessel
Assignee: Crane Co
•
Filing: 1952-10-16
•
Granted: 1956-05-08
•
Expires: 1972-10-16
Abstract
No abstract record available.
Inventors
- 👤 Kurt E B Bredtschneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:28
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/08; Y; Y10; Y10S; Y10S285/00; Y10S285/917
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1722623A
Cited
US2298511A
Cited
US2305590A
Cited
US2426392A
Cited
US2424449A
Cited
US2576592A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |