US2212693A
Expired / Lapsed
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Assignee: JOHN J MALICKE
•
Filing: 1938-02-12
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Granted: 1940-08-27
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Expires: 1958-02-12
Abstract
No abstract record available.
Inventors
- 👤 George W Kowalsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:09
CPC Classifications
F; F21; F21V; F21V7/00; F21V7/04; F21S; F21S41/00; F21S41/10; F21S41/14; F21S41/162; F21S41/18; F21S41/20; F21S41/28; F21S41/30; F21S41/32; F21S41/321; F21S41/33; F21S41/334; F21S41/335; F21S41/36; F21S41/365; F21S41/39; F21W; F21W2107/00; F21W2107/10
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) | 1943-08-27 | 1944-02-26 | 1944-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-08-27 | 1948-02-26 | 1948-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-08-27 | 1952-02-26 | 1952-08-27 | $7700.00 | Window Closed / Lapsed |