Patent US4248715A successfully refreshed from Google Patents.
US797577A
Expired / Lapsed
US
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Storage vessel for liquefied gases.
Assignee: Individual
•
Filing: 1904-04-20
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Granted: 1905-08-22
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Expires: 1924-04-20
Abstract
No abstract record available.
Inventors
- 👤 Paulus Heylandt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:52
CPC Classifications
F; F17; F17C; F17C3/00; F17C3/02; F17C3/08; F17C2203/00; F17C2203/01; F17C2203/014
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1908-08-21 | 1909-02-20 | 1909-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-08-21 | 1913-02-20 | 1913-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-08-21 | 1917-02-20 | 1917-08-22 | $7700.00 | Window Closed / Lapsed |