US1903576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floating tool
Assignee: Individual
•
Filing: 1930-03-13
•
Granted: 1933-04-11
•
Expires: 1950-03-13
Abstract
No abstract record available.
Inventors
- 👤 Skeel Lewis
- 👤 Spohr John Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:02
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/08; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17017; Y10T403/00; Y10T403/32; Y10T403/32549; Y10T403/32557; Y10T403/32581; Y10T408/00; Y10T408/89
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) | 1936-04-10 | 1936-10-10 | 1937-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-04-10 | 1940-10-10 | 1941-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-04-10 | 1944-10-10 | 1945-04-11 | $7700.00 | Window Closed / Lapsed |