US1948815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary floor treating machine
Assignee: Individual
•
Filing: 1931-12-07
•
Granted: 1934-02-27
•
Expires: 1951-12-07
Abstract
No abstract record available.
Inventors
- 👤 Edward B Gruendel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:27
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4038; A47L11/02; A47L11/10; A47L11/14; A47L11/16; A47L11/162; A47L11/1625; A47L11/4052; A47L11/4058; A47L11/4063; A47L11/4069; A47L11/4077; A47L11/408; A47L11/4088
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) | 1937-02-26 | 1937-08-28 | 1938-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-02-26 | 1941-08-28 | 1942-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-02-26 | 1945-08-28 | 1946-02-27 | $7700.00 | Window Closed / Lapsed |