US3033974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for welding and soldering with the help of beams of charged particles
Assignee: Carl Zeiss AG
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Filing: 1959-06-29
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Granted: 1962-05-08
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Expires: 1979-06-29
Abstract
No abstract record available.
Inventors
- 👤 Schleich Fritz
- 👤 Steigerwald Karl Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:05
CPC Classifications
H; H01; H01J; H01J37/00; H01J37/30; H01J37/3002; H01J37/3005; B; B23; B23K; B23K1/00; B23K1/005; B23K1/0056; B23K15/00; B23K15/0046; B23K15/0053; H01J37/02; H01J37/18; H01J37/302; Y; Y10; Y10S; Y10S164/00; Y10S164/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2793281A
Cited
US2778926A
Cited
US2746420A
Cited
US2824232A
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) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |