Patent US2388639A successfully refreshed from Google Patents.
US2610349A
Expired / Lapsed
US
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Suspended traveling blower for removing lint and the like from wall surfaces of textile mill rooms
Assignee: American Monorail Co
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Filing: 1948-04-16
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Granted: 1952-09-16
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Expires: 1968-04-16
Abstract
No abstract record available.
Inventors
- 👤 Ralph T Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:42
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/60; F04D29/64; F04D29/644; F04D29/646; D; D01; D01H; D01H11/00; D01H11/005; D01H11/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US829319A
Cited
US1339182A
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US1517961A
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US2225406A
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US2183758A
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US2179976A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-16 | 1956-03-17 | 1956-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-16 | 1960-03-17 | 1960-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-16 | 1964-03-17 | 1964-09-16 | $7700.00 | Window Closed / Lapsed |