US3065665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nephelometers
Assignee: Akzo Nobel UK PLC
•
Filing: 1959-10-01
•
Granted: 1962-11-27
•
Expires: 1979-10-01
Abstract
No abstract record available.
Inventors
- 👤 Akhtar Mohd
- 👤 Bullas Derek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:12
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/47; G01N21/49; G01N21/53
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA463391A
Cited
US2122824A
Cited
US2299529A
Cited
US2455966A
Cited
GB696675A
Cited
US2852693A
Cited
US2839963A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |