US3420130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for thin slicing a non-frozen specimen
Assignee: University of California Berkeley
•
Filing: 1966-02-18
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Granted: 1969-01-07
•
Expires: 1986-02-18
Abstract
No abstract record available.
Inventors
- 👤 Marilyn G Farquhar
- 👤 Robert E Smith
- 👤 Emil Z Barish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:32
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/04; G01N1/06; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4539; Y10T83/4541; Y10T83/4549; Y10T83/4551; Y10T83/4604; Y10T83/463; Y10T83/647; Y10T83/654; Y10T83/6563; Y10T83/6566
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US243068A
Cited
US1233360A
Cited
US1780680A
Cited
US1963768A
Cited
US3108349A
Cited
US3227024A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |