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US3465567A
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US
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Method of making tubes
Assignee: National Aeronautics and Space Administration
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Filing: 1966-12-30
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Granted: 1969-09-09
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Expires: 1986-12-30
Abstract
No abstract record available.
Inventors
- 👤 John J Park
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:13
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/30; B21C37/10; B21C37/105; Y; Y10; Y10S; Y10S343/00; Y10S343/02
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) | 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 |