US3389538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sample vaporizing apparatus
Assignee: ConocoPhillips Co
•
Filing: 1965-08-09
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Granted: 1968-06-25
•
Expires: 1985-08-09
Abstract
No abstract record available.
Inventors
- 👤 Alfred B Carel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:25
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/04; G01N30/06; G01N30/12; G01N1/00; G01N1/02; G01N1/22; G01N2030/126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2576558A
Cited
US3174326A
Cited
US3053077A
Cited
US3043128A
Cited
US3225521A
Cited
US3290482A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |