US3523737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cuvette positioning device for optical density analytical apparatus
Assignee: Gilford Instrument Laboratories Inc
•
Filing: 1964-12-16
•
Granted: 1970-08-11
•
Expires: 1984-12-16
Abstract
No abstract record available.
Inventors
- 👤 Willis Avery Wood
- 👤 Saul R Gilford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:55
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/25; G01N21/251; G01N21/253
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |