US2666291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet pipe having a discharge end portion of variable cross sectional area
Assignee: ZF International UK Ltd
•
Filing: 1950-12-19
•
Granted: 1954-01-19
•
Expires: 1970-12-19
Abstract
No abstract record available.
Inventors
- 👤 Skorecki Jan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:00
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/06; F02K1/10; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20576; Y10T74/20582; Y10T74/20588; Y10T74/20594
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US591067A
Cited
US645846A
Cited
US1120535A
Cited
US1327452A
Cited
US2608820A
Cited
US2546293A
Cited
US2603062A
Cited
US2603060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-18 | 1957-07-20 | 1958-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-18 | 1961-07-20 | 1962-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-18 | 1965-07-20 | 1966-01-19 | $7700.00 | Window Closed / Lapsed |