US3466209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing microscope slides using terpolymers of vinyl benzene;methyl methacrylate,and acrylate ester
Assignee: NEWTON G LEVESKIS
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Filing: 1964-07-15
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Granted: 1969-09-09
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Expires: 1984-07-15
Abstract
No abstract record available.
Inventors
- 👤 Newton G Leveskis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:31
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/28; G01N1/30; C; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/12; C08F220/16; C08F220/18; C08F220/1804; C08F220/1808
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |