Patent US2490075A successfully refreshed from Google Patents.
US2490075A
Expired / Lapsed
US
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Floor drain fixture
Assignee: Josam Manufacturing Co
•
Filing: 1946-04-24
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Granted: 1949-12-06
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Expires: 1966-04-24
Abstract
No abstract record available.
Inventors
- 👤 Matheis Aaron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:52
CPC Classifications
E; E03; E03F; E03F5/00; E03F5/04; E03F5/0407; E03F2005/0412; E03F2005/0413
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US138277A
Cited
US1809413A
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US1797280A
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US1792345A
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US1766621A
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US1805816A
Cited
US2019779A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-05 | 1953-06-06 | 1953-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-05 | 1957-06-06 | 1957-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-05 | 1961-06-06 | 1961-12-06 | $7700.00 | Window Closed / Lapsed |