US2642938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary miss-cut shears
Assignee: Individual
•
Filing: 1949-07-30
•
Granted: 1953-06-23
•
Expires: 1969-07-30
Abstract
No abstract record available.
Inventors
- 👤 Karl W Hallden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:49
CPC Classifications
B; B23; B23D; B23D25/00; B23D25/02; B23D36/00; B23D36/0008; B23D36/0033; B23D36/0041; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18248; Y10T74/18256; Y10T83/00; Y10T83/465; Y10T83/4708; Y10T83/4711; Y10T83/4766; Y10T83/4795; Y10T83/483; Y10T83/4833; Y10T83/869; Y10T83/8789
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE594340C
Cited
US1031056A
Cited
GB257278A
Cited
US1988215A
Cited
US1984913A
Cited
US1969433A
Cited
US2017366A
Cited
US2190638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-22 | 1956-12-22 | 1957-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-22 | 1960-12-22 | 1961-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-22 | 1964-12-22 | 1965-06-23 | $7700.00 | Window Closed / Lapsed |