US2322351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trimming mechanism for grid plates
Assignee: Individual
•
Filing: 1941-04-28
•
Granted: 1943-06-22
•
Expires: 1961-04-28
Abstract
No abstract record available.
Inventors
- 👤 Carl L Feldtkeller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:40
CPC Classifications
B; B23; B23D; B23D31/00; B23D31/04; Y; Y10; Y10S; Y10S83/00; Y10S83/903; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2209; Y10T83/2216; Y10T83/444; Y10T83/461; Y10T83/4637; Y10T83/464; Y10T83/727; Y10T83/744; Y10T83/745
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) | 1946-06-21 | 1946-12-21 | 1947-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-06-21 | 1950-12-21 | 1951-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-06-21 | 1954-12-21 | 1955-06-22 | $7700.00 | Window Closed / Lapsed |