US3465965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tail-pipe nozzle for rocket motors
Assignee: Kanthal AB
•
Filing: 1967-04-18
•
Granted: 1969-09-09
•
Expires: 1987-04-18
Abstract
No abstract record available.
Inventors
- 👤 Nils Gustav Schrewelius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:12
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/97; F02K9/974
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2987874A
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US3036017A
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US3189477A
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US3189472A
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US3165864A
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US3200585A
Cited
US3246275A
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US3285013A
Cited
US3226929A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |