US2838827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting tool
Assignee: Individual
•
Filing: 1955-07-11
•
Granted: 1958-06-17
•
Expires: 1975-07-11
Abstract
No abstract record available.
Inventors
- 👤 John H Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:31
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/14; B23B27/16; B23B27/1625; B23B2200/00; B23B2200/08; B23B2200/086; B23B2200/088; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/2222; Y10T407/2272; Y10T407/2282; Y10T407/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1045512A
Cited
US1397357A
Cited
US1838520A
Cited
US1920035A
Cited
US2310992A
Cited
US2414811A
Cited
FR1084955A
Cited
US2645844A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |