US2649818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal cutting tool
Assignee: Giddings and Lewis LLC
•
Filing: 1950-05-10
•
Granted: 1953-08-25
•
Expires: 1970-05-10
Abstract
No abstract record available.
Inventors
- 👤 Erwin J Kaiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:01
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/03; B23B29/034; B23B29/03403; B23B29/03407; B23B27/00; B23B27/14; B23B27/16; B23B27/1625; B23B27/1629; B23B27/1655; Y; Y10; Y10T; Y10T407/00; Y10T407/11; Y10T407/116; Y10T407/19; Y10T407/1906; Y10T407/1928; Y10T407/193; Y10T407/22; Y10T407/2222; Y10T407/2238; Y10T407/224; Y10T407/2242; Y10T407/2272; Y10T408/00; Y10T408/83; Y10T408/85; Y10T408/858; Y10T408/94; Y10T408/95; Y10T408/953
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |