US3058317A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vaporization of liquefied gases
Assignee: Superior Air Products Co
•
Filing: 1958-03-31
•
Granted: 1962-10-16
•
Expires: 1978-03-31
Abstract
No abstract record available.
Inventors
- 👤 Laurel E Putman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:43
CPC Classifications
F; F17; F17C; F17C9/00; F17C9/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2445705A
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US2481348A
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US2729074A
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US2823521A
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US2763132A
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US2833121A
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US2867988A
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US2884764A
Cited
US2956410A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-15 | 1966-04-16 | 1966-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-15 | 1970-04-16 | 1970-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-15 | 1974-04-16 | 1974-10-16 | $7700.00 | Window Closed / Lapsed |