US2198322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Upholstery cleaner
Assignee: Von Schrader Manufacturing Co
•
Filing: 1936-11-17
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Granted: 1940-04-23
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Expires: 1956-11-17
Abstract
No abstract record available.
Inventors
- 👤 Schrader Francis U Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:51
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/408; A47L11/4088; A47L11/29; A47L11/30; A47L11/302; A47L11/305; A47L11/34; A47L11/4002; A47L11/4005; A47L11/4036; A47L11/4044; A47L11/4063; A47L11/4069; A47L11/4083
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) | 1943-04-23 | 1943-10-23 | 1944-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-04-23 | 1947-10-23 | 1948-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-04-23 | 1951-10-23 | 1952-04-23 | $7700.00 | Window Closed / Lapsed |