US3492946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual volume fluid sample pump
Assignee: Union Carbide Corp
•
Filing: 1968-05-23
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Granted: 1970-02-03
•
Expires: 1988-05-23
Abstract
No abstract record available.
Inventors
- 👤 Sterling T Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:24
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/08; F04B49/00; F04B49/12; F04B5/00; F04B5/02; F04B53/00; F04B53/10; F04B53/102; F04B9/00; F04B9/08; F04B9/10; F04B9/109; F04B9/111; F04B9/1115; G; G01; G01N; G01N1/00; G01N1/02; G01N1/10; G01N1/20; G01N1/2035; G01N2001/205
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2841085A
Cited
US2995931A
Cited
US3016840A
Cited
US3039399A
Cited
US3128782A
Cited
US3215080A
Cited
US3308669A
Cited
US3321977A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |