US2612746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nozzle structure for effecting striated flow of combustion gases
Assignee: DANIEL AND FLORENCE GUGGENHEIM
•
Filing: 1948-03-04
•
Granted: 1952-10-07
•
Expires: 1968-03-04
Abstract
No abstract record available.
Inventors
- 👤 Esther C Goddard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:06
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/97; F02K1/00; F02K1/40; Y; Y10; Y10S; Y10S60/00; Y10S60/915
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US480533A
Cited
US677235A
Cited
US1942226A
Cited
FR779655A
Cited
GB459924A
Cited
FR50033E
Cited
US2412266A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |