Patent US3498860A successfully refreshed from Google Patents.
US3498860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of mounting precoated cover glass for microscope slides
Assignee: Individual
•
Filing: 1966-08-29
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Granted: 1970-03-03
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Expires: 1986-08-29
Abstract
No abstract record available.
Inventors
- 👤 John E P Pickett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:47
CPC Classifications
G; G02; G02B; G02B21/00; G02B21/34; G01; G01N; G01N1/00; G01N1/28; G01N1/30; G01N1/31; G01N1/312
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) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |