US2957306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas jets for controlling entrance and/or exit flow effective diameter
Assignee: Individual
•
Filing: 1955-06-16
•
Granted: 1960-10-25
•
Expires: 1975-06-16
Abstract
No abstract record available.
Inventors
- 👤 John S Attinello
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:16
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/28; F02K1/30; F02C; F02C7/00; F02C7/04; Y; Y02; Y02T; Y02T50/00; Y02T50/60; Y10; Y10S; Y10S415/00; Y10S415/914; Y10T; Y10T137/00; Y10T137/8593
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR1083706A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |