Patent US5226428A successfully refreshed from Google Patents.
Patent US2987610A successfully refreshed from Google Patents.
US2987610A
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Method and means for welding using a controlled beam of charged particles
Assignee: Carl Zeiss AG
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Filing: 1959-05-29
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Granted: 1961-06-06
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Expires: 1979-05-29
Abstract
No abstract record available.
Inventors
- 👤 Steigerwald Karl Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:11
CPC Classifications
B; B23; B23K; B23K15/00; B23K15/0046; B23K15/0093; B23K15/0013; B23K15/0053; H; H01; H01J; H01J37/00; H01J37/02; H01J37/18; H01J37/21; H01J37/30; H01J37/3002; H01J37/3005; H01J37/301; H02; H02K; H02K3/00; H02K3/04; H02K3/28; Y; Y10; Y10S; Y10S164/00; Y10S164/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2778926A
Cited
US2746420A
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US2899556A
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US2819380A
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US2844706A
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US2824232A
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US2809905A
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US2932720A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |