US3043183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Particle measuring instrument and method
Assignee: Vitramon Inc
•
Filing: 1958-10-20
•
Granted: 1962-07-10
•
Expires: 1978-10-20
Abstract
No abstract record available.
Inventors
- 👤 Barton L Weller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:01
CPC Classifications
G; G01; G01N; G01N15/00; G01N15/02; G01N15/0255
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1648369A
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US1878847A
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US1917379A
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US2076553A
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US2379158A
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US2638688A
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US2756626A
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US2721495A
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US2806401A
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US2873644A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |