US1872115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
byerlein
Assignee: —
•
Filing: —
•
Granted: 1932-08-16
•
Expires: 1949-08-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:31
CPC Classifications
B; B30; B30B; B30B1/00; B30B1/008; A; A61; A61F; A61F2/00; A61F2/02; A61F2/30; A61F2/32; Y; Y10; Y10S; Y10S29/00; Y10S29/042; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49618; Y10T29/49758; Y10T29/49826; Y10T29/49863; Y10T29/49874
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) | 1935-08-16 | 1936-02-15 | 1936-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-08-16 | 1940-02-15 | 1940-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-08-16 | 1944-02-15 | 1944-08-16 | $7700.00 | Window Closed / Lapsed |