US2667341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gaslock for spray nozzles
Assignee: Research Corp
•
Filing: 1952-02-08
•
Granted: 1954-01-26
•
Expires: 1972-02-08
Abstract
No abstract record available.
Inventors
- 👤 Busfield Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:07
CPC Classifications
B; B03; B03C; B03C3/00; B03C3/34; B03C3/74; B03C3/78; Y; Y10; Y10S; Y10S55/00; Y10S55/38; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4259
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |