Patent US2826629A successfully refreshed from Google Patents.
US2826629A
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US
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High pressure tanks for oil cable installations
Assignee: Felten and Guilleaume Carlswerk AG
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Filing: 1952-11-12
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Granted: 1958-03-11
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Expires: 1972-11-12
Abstract
No abstract record available.
Inventors
- 👤 Reuschle Georg
- 👤 Ochel Werner
- 👤 Ditgens Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:17
CPC Classifications
F; F15; F15B; F15B1/00; F15B1/02; F15B1/04; F15B1/08; F15B1/086; F15B2201/00; F15B2201/20; F15B2201/205; F15B2201/30; F15B2201/315; F15B2201/3154; F15B2201/50; F15B2201/51
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1768446A
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US1613418A
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US1829489A
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US1933313A
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US2025670A
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US1853884A
Cited
FR759107A
Cited
US2439342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |