Patent US2872787A successfully refreshed from Google Patents.
Patent US2433117A successfully refreshed from Google Patents.
US2433117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Notching press
Assignee: Individual
•
Filing: 1945-11-14
•
Granted: 1947-12-23
•
Expires: 1965-11-14
Abstract
No abstract record available.
Inventors
- 👤 Hallander Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:45
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/02; B21D28/22; Y; Y10; Y10S; Y10S83/00; Y10S83/917; Y10T; Y10T83/00; Y10T83/101; Y10T83/444; Y10T83/4523; Y10T83/4607; Y10T83/465; Y10T83/4708; Y10T83/4711
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US808694A
Cited
US880413A
Cited
US912007A
Cited
US951169A
Cited
US1132689A
Cited
FR457191A
Cited
US1670648A
Cited
US1784721A
Cited
GB401062A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-22 | 1951-06-23 | 1951-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-22 | 1955-06-23 | 1955-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-22 | 1959-06-23 | 1959-12-23 | $7700.00 | Window Closed / Lapsed |