US1827402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor treating machine
Assignee: Graybar Electric Co Inc
•
Filing: 1927-03-30
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Granted: 1931-10-13
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Expires: 1947-03-30
Abstract
No abstract record available.
Inventors
- 👤 Charles E Reddig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:47
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4041; A47L11/02; A47L11/10; A47L11/14; A47L11/18; A47L11/4063; A47L11/4069
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) | 1934-10-12 | 1935-04-13 | 1935-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-10-12 | 1939-04-13 | 1939-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-10-12 | 1943-04-13 | 1943-10-13 | $7700.00 | Window Closed / Lapsed |