US3427047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubular coupling having frangible connecting means
Assignee: National Aeronautics and Space Administration
•
Filing: 1966-11-30
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Granted: 1969-02-11
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Expires: 1986-11-30
Abstract
No abstract record available.
Inventors
- 👤 James W Mayo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:28
CPC Classifications
F; F42; F42B; F42B15/00; F42B15/36; F42B15/38; F16; F16L; F16L37/00; F16L37/08; F16L37/12; F16L37/14; F16L37/142; F16L37/148; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2751238A
Cited
US3107421A
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US2805089A
Cited
US2992017A
Cited
US3026772A
Cited
US3017836A
Cited
US3062568A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |