US3525592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sampling and diluting apparatus
Assignee: Quickfit and Quartz Ltd
•
Filing: 1967-09-13
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Granted: 1970-08-25
•
Expires: 1987-09-13
Abstract
No abstract record available.
Inventors
- 👤 Robert Buckley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:55
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/28; G01N1/38; G01N2001/382; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86622
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3012863A
Cited
US3178266A
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US3193359A
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US3192968A
Cited
US3192969A
Cited
US3219416A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-24 | 1974-02-23 | 1974-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-24 | 1978-02-23 | 1978-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-24 | 1982-02-23 | 1982-08-25 | $7700.00 | Window Closed / Lapsed |