US2641048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting tool
Assignee: Individual
•
Filing: 1951-04-14
•
Granted: 1953-06-09
•
Expires: 1971-04-14
Abstract
No abstract record available.
Inventors
- 👤 Vreeland Whitney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:28
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/14; B23B27/18; B23B27/22; Y; Y10; Y10T; Y10T407/00; Y10T407/24; Y10T407/245; Y10T407/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189723699A
Cited
GB190716879A
Cited
GB138141A
Cited
GB227494A
Cited
GB247958A
Cited
US2424473A
Cited
US2527978A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |