Patent US2638765A successfully refreshed from Google Patents.
US2638765A
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Steaming apparatus
Assignee: UNISTEL TEXTILE MACHINE Corp
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Filing: 1949-05-17
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Granted: 1953-05-19
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Expires: 1969-05-17
Abstract
No abstract record available.
Inventors
- 👤 Evan V Quinn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:07
CPC Classifications
F; F26; F26B; F26B25/00; F26B25/06; F26B25/08; F26B13/00; F26B13/06; F26B13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US100670A
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US372472A
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USRE23177E
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US773220A
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US780398A
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US863001A
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US1500894A
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US1497075A
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US2170579A
Cited
DE698792C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-18 | 1956-11-17 | 1957-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-18 | 1960-11-17 | 1961-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-18 | 1964-11-17 | 1965-05-19 | $7700.00 | Window Closed / Lapsed |