Patent CH325519A successfully refreshed from Google Patents.
Patent US2417802A successfully refreshed from Google Patents.
US2417802A
Expired / Lapsed
US
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Device to facilitate mounting specimens on microscope slides
Assignee: Individual
•
Filing: 1944-02-05
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Granted: 1947-03-18
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Expires: 1964-02-05
Abstract
No abstract record available.
Inventors
- 👤 Longstreet Mirian Annette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:07
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/28; G01N1/30; G01N1/31; G01N1/312; Y; Y10; Y10S; Y10S436/00; Y10S436/823
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1015730A
Cited
US1144942A
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US1829472A
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US1839573A
Cited
US1936712A
Cited
US2234578A
Cited
US2332668A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-17 | 1950-09-16 | 1951-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-17 | 1954-09-16 | 1955-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-17 | 1958-09-16 | 1959-03-18 | $7700.00 | Window Closed / Lapsed |