US1875486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corporated
Assignee: —
•
Filing: —
•
Granted: 1932-09-06
•
Expires: 1949-09-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:05
CPC Classifications
B; B24; B24B; B24B41/00; B24B41/06; B24B41/065; Y; Y10; Y10S; Y10S285/00; Y10S285/92; Y10S409/00; Y10S409/903; Y10T; Y10T82/00; Y10T82/25; Y10T82/2593
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) | 1935-09-06 | 1936-03-07 | 1936-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-09-06 | 1940-03-07 | 1940-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-09-06 | 1944-03-07 | 1944-09-06 | $7700.00 | Window Closed / Lapsed |