US2296875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slow-motion drive for centrifugal casting machine
Assignee: Individual
•
Filing: 1941-07-23
•
Granted: 1942-09-29
•
Expires: 1961-07-23
Abstract
No abstract record available.
Inventors
- 👤 Scott B Ritchie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:59
CPC Classifications
B; B22; B22D; B22D13/00; H; H04; H04L; H04L13/00; H04L13/18; H04L13/182; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/1914; Y10T74/1956; Y10T74/19565
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) | 1945-09-28 | 1946-03-30 | 1946-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-09-28 | 1950-03-30 | 1950-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-09-28 | 1954-03-30 | 1954-09-29 | $7700.00 | Window Closed / Lapsed |