US2670622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for surface-treatment of wound cloth by steam impregnation, and control devices therefor
Assignee: David Gessner Co
•
Filing: 1951-05-09
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Granted: 1954-03-02
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Expires: 1971-05-09
Abstract
No abstract record available.
Inventors
- 👤 Theodore A Dourdeville
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:13
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/10; F26B13/14; F26B13/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1051399A
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US1387836A
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US1738837A
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US1677367A
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US2350021A
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US2358344A
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US2456403A
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US2557718A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-01 | 1957-08-31 | 1958-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-01 | 1961-08-31 | 1962-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-01 | 1965-08-31 | 1966-03-02 | $7700.00 | Window Closed / Lapsed |