US3469068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding skate with computerized control
Assignee: National Aeronautics and Space Administration
•
Filing: 1967-10-02
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Granted: 1969-09-23
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Expires: 1987-10-02
Abstract
No abstract record available.
Inventors
- 👤 William A Wall Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:27
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/24; B23K9/28; B23K9/287; B23K37/00; B23K37/02; B23K37/0211; B23K9/12; B23K9/127; B23K9/1272
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2175496A
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US2344216A
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US2881295A
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US3216641A
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US3268805A
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US3315367A
Cited
US3373914A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |