Patent US2207650A successfully refreshed from Google Patents.
US2207650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism for severing grids
Assignee: ALVY C YERKEY
•
Filing: 1939-03-30
•
Granted: 1940-07-09
•
Expires: 1959-03-30
Abstract
No abstract record available.
Inventors
- 👤 Herbert C Winkel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:43
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/12; B26D1/14; B26D1/143; B26D1/15; B26D1/151; Y; Y10; Y10S; Y10S83/00; Y10S83/903; Y10T; Y10T83/00; Y10T83/202; Y10T83/2033; Y10T83/2037; Y10T83/2042; Y10T83/768; Y10T83/7684; Y10T83/7793
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1943-07-09 | 1944-01-08 | 1944-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-07-09 | 1948-01-08 | 1948-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-07-09 | 1952-01-08 | 1952-07-09 | $7700.00 | Window Closed / Lapsed |