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Patent US2230369A successfully refreshed from Google Patents.
US2230369A
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Assignee: Individual
•
Filing: 1938-03-30
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Granted: 1941-02-04
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Expires: 1958-03-30
Abstract
No abstract record available.
Inventors
- 👤 Henry W Wise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:35
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/22; A; A61; A61F; A61F9/00; A61F9/04; A61F9/06; A61F9/065; C03C2217/00; C03C2217/20; C03C2217/28; C03C2218/00; C03C2218/10; C03C2218/11; C03C2218/116; Y; Y10; Y10S; Y10S425/00; Y10S425/808
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-02-04 | 1944-08-05 | 1945-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-02-04 | 1948-08-05 | 1949-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-02-04 | 1952-08-05 | 1953-02-04 | $7700.00 | Window Closed / Lapsed |