US2956334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making rocket nozzles
Assignee: American Welding and Manufacturing Co
•
Filing: 1958-06-30
•
Granted: 1960-10-18
•
Expires: 1978-06-30
Abstract
No abstract record available.
Inventors
- 👤 Walter E Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:29
CPC Classifications
B; B21; B21D; B21D22/00; B21D22/02; B21D22/025; Y; Y10; Y10S; Y10S60/00; Y10S60/909; Y10T; Y10T29/00; Y10T29/49; Y10T29/49346; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/4992; Y10T29/49938; Y10T29/4994
Claims Analysis
Total Claims: 0
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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) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |