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US3526766A
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Adjustable pole-shoe lens assembly for corpuscular ray devices and method for adjusting the same
Assignee: Max-Planck-Gesellschaft zur Förderung der Wissenschaften eV
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Filing: 1967-07-27
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Granted: 1970-09-01
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Expires: 1987-07-27
Abstract
No abstract record available.
Inventors
- 👤 Wolfgang Dieter Riecke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:53
CPC Classifications
H; H01; H01J; H01J37/00; H01J37/02; H01J37/04; H01J37/09; H01J37/10; H01J37/14; H01J37/141; H01J37/147; H01J37/15; H01J37/153
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2352043A
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US2679018A
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US2819403A
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US2939955A
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US3316402A
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US3387132A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |