Patent US1806642A successfully refreshed from Google Patents.
US1806642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Enoch ohnstrand
Assignee: —
•
Filing: —
•
Granted: 1931-05-26
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Expires: 1948-05-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:20
CPC Classifications
A; A47; A47B; A47B57/00; A47B57/30; A47F; A47F5/00; A47F5/10; A47F5/101; A47F5/103; A47B47/00; A47B47/02; A47B47/021; A47B47/022; A47B57/40; A47B63/00; A47B65/00; A47B65/10; A47B65/15; A47B96/00; A47B96/02; A47B96/027; A47B96/028; A47B65/20
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) | 1934-05-25 | 1934-11-24 | 1935-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-05-25 | 1938-11-24 | 1939-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-05-25 | 1942-11-24 | 1943-05-26 | $7700.00 | Window Closed / Lapsed |