US2624189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for fluid treatment of filamentary materials
Assignee: HAMPTON MACHINE Co
•
Filing: 1948-01-17
•
Granted: 1953-01-06
•
Expires: 1968-01-17
Abstract
No abstract record available.
Inventors
- 👤 Pyam L Pendleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:23
CPC Classifications
D; D06; D06B; D06B3/00; D06B3/04; D06B3/045; D01; D01D; D01D10/00; D01D10/04; D01D10/0436
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2441308A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |