US3049608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron beam welding
Assignee: Airco Inc
•
Filing: 1959-08-24
•
Granted: 1962-08-14
•
Expires: 1979-08-24
Abstract
No abstract record available.
Inventors
- 👤 Greene William John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:12
CPC Classifications
H; H01; H01J; H01J37/00; H01J37/02; H01J37/16; B; B23; B23K; B23K15/00; B23K15/0013; H01J37/04; H01J37/24; Y; Y10; Y10S; Y10S164/00; Y10S164/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1289672A
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US2128581A
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US2319061A
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US2423066A
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US2417213A
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US2771568A
Cited
US2778926A
Cited
FR1141535A
Cited
US2932720A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |