US2688795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable knock-out tool
Assignee: Individual
•
Filing: 1952-11-06
•
Granted: 1954-09-14
•
Expires: 1972-11-06
Abstract
No abstract record available.
Inventors
- 👤 Otto K Schwenzfeier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:29
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/02; B25B27/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49698; Y10T29/49815; Y10T29/49822; Y10T29/53; Y10T29/53909; Y10T29/5393; Y10T29/53987
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) | 1957-09-13 | 1958-03-15 | 1958-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-13 | 1962-03-15 | 1962-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-13 | 1966-03-15 | 1966-09-14 | $7700.00 | Window Closed / Lapsed |