US2516475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for cleaning spinning frames
Assignee: American Monorail Co
•
Filing: 1949-01-10
•
Granted: 1950-07-25
•
Expires: 1969-01-10
Abstract
No abstract record available.
Inventors
- 👤 Carroll De V Miller
- 👤 Francis N Becker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:31
CPC Classifications
D; D01; D01H; D01H11/00; D01H11/005; D01H11/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1339182A
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US2183758A
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US2325023A
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US2400792A
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US2480690A
Cited
US2422514A
Cited
US2488934A
Cited
US2482670A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-24 | 1954-01-23 | 1954-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-24 | 1958-01-23 | 1958-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-24 | 1962-01-23 | 1962-07-25 | $7700.00 | Window Closed / Lapsed |