Patent US1888774A successfully refreshed from Google Patents.
US1888774A
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Assignee: AMF Inc
•
Filing: 1931-02-04
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Granted: 1932-11-22
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Expires: 1951-02-04
Abstract
No abstract record available.
Inventors
- 👤 Rupert E Rundell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:26
CPC Classifications
A; A24; A24C; A24C5/00; A24C5/14; A24C5/28; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4766; Y10T83/4789; Y10T83/4795; Y10T83/4812; Y10T83/929; Y10T83/9372; Y10T83/9406
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) | 1935-11-22 | 1936-05-23 | 1936-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-11-22 | 1940-05-23 | 1940-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-11-22 | 1944-05-23 | 1944-11-22 | $7700.00 | Window Closed / Lapsed |