US3479505A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of operating an ion microprobe using secondary elections
Assignee: APPLIED RES LAB
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Filing: 1966-06-30
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Granted: 1969-11-18
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Expires: 1986-06-30
Abstract
No abstract record available.
Inventors
- 👤 Helmut J Liebl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:15
CPC Classifications
H; H01; H01J; H01J37/00; H01J37/26; H01J37/28; H01J37/02; H01J37/22; H01J37/252; H01J37/256; H01J49/00; H01J49/02; H01J49/10; H01J49/14; H01J49/142
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3103584A
Cited
US3219817A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |