US1843235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Clarcor Inc
•
Filing: 1930-09-18
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Granted: 1932-02-02
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Expires: 1950-09-18
Abstract
No abstract record available.
Inventors
- 👤 John H Kjellstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:19
CPC Classifications
A; A61; A61F; A61F15/00; A61F15/001; A61F15/002; B; B65; B65H; B65H75/00; B65H75/02; B65H75/04; B65H75/08; B65H75/14; B65H2701/00; B65H2701/30; B65H2701/37; B65H2701/377; B65H2701/50; B65H2701/51; B65H2701/511; B65H2701/5114
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) | 1935-02-01 | 1935-08-03 | 1936-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-02-01 | 1939-08-03 | 1940-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-02-01 | 1943-08-03 | 1944-02-02 | $7700.00 | Window Closed / Lapsed |