US2950648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microscope for viewing substantially transparent objects
Assignee: Georgia Tech Research Institute
•
Filing: 1954-03-03
•
Granted: 1960-08-30
•
Expires: 1974-03-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph Elmer Rhodes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:09
CPC Classifications
G; G02; G02B; G02B21/00; G02B21/06; G02B21/08; G02B21/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2675737A
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US2732759A
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DE636168C
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US2384209A
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US2472991A
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US2427689A
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US2384578A
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US2637243A
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US2687670A
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US2676114A
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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) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |