US2482853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microtome with rotating cutter and specimen feed mechanism supported therewith
Assignee: Columbian Carbon Co
•
Filing: 1946-02-07
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Granted: 1949-09-27
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Expires: 1966-02-07
Abstract
No abstract record available.
Inventors
- 👤 William A Ladd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:03
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/04; G01N1/06; Y; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/654; Y10T83/6545; Y10T83/6547; Y10T83/869; Y10T83/8789
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US198346A
Cited
US305225A
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US474389A
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US1728843A
Cited
US1825421A
Cited
US1797694A
Cited
US2047400A
Cited
US2107208A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-26 | 1953-03-28 | 1953-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-26 | 1957-03-28 | 1957-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-26 | 1961-03-28 | 1961-09-27 | $7700.00 | Window Closed / Lapsed |