Patent US2441916A successfully refreshed from Google Patents.
US2441916A
Expired / Lapsed
US
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Steam separator for steam irons
Assignee: MILSTEEL PRODUCTS CO
•
Filing: 1946-09-16
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Granted: 1948-05-18
•
Expires: 1966-09-16
Abstract
No abstract record available.
Inventors
- 👤 Fred W Busch
- 👤 Charles H Drewes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:27
CPC Classifications
D; D06; D06F; D06F75/00; D06F75/08; D06F75/10; D06F75/14; D06F75/16
Claims Analysis
Total Claims: 0
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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) | 1951-05-18 | 1951-11-17 | 1952-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-18 | 1955-11-17 | 1956-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-18 | 1959-11-17 | 1960-05-18 | $7700.00 | Window Closed / Lapsed |