US2199615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor abrading machine
Assignee: Individual
•
Filing: 1936-08-20
•
Granted: 1940-05-07
•
Expires: 1956-08-20
Abstract
No abstract record available.
Inventors
- 👤 Benjamin A Casper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:48
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4041; A47L11/02; A47L11/10; A47L11/14; A47L11/18; A47L11/19; A47L11/4052; A47L11/4055; A47L11/4058; A47L11/4063; A47L11/4069; A47L11/4075; A47L11/4077; Y; Y10; Y10T; Y10T29/00; Y10T29/45; Y10T29/4528
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) | 1943-05-07 | 1943-11-06 | 1944-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-05-07 | 1947-11-06 | 1948-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-05-07 | 1951-11-06 | 1952-05-07 | $7700.00 | Window Closed / Lapsed |