Patent US2420165A successfully refreshed from Google Patents.
US2420165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work clamp
Assignee: Glenn Tool & Manufacturing Co
•
Filing: 1944-07-24
•
Granted: 1947-05-06
•
Expires: 1964-07-24
Abstract
No abstract record available.
Inventors
- 👤 Russel F Clutter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:20
CPC Classifications
B; B25; B25B; B25B5/00; B25B5/06; B25B5/08; Y; Y10; Y10S; Y10S409/00; Y10S409/903; Y10T; Y10T409/00; Y10T409/30; Y10T409/309576; Y10T409/309912
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US407486A
Cited
US410303A
Cited
US602381A
Cited
US834402A
Cited
US873077A
Cited
US922338A
Cited
US1449945A
Cited
US1497213A
Cited
US1800209A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-05 | 1950-11-04 | 1951-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-05 | 1954-11-04 | 1955-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-05 | 1958-11-04 | 1959-05-06 | $7700.00 | Window Closed / Lapsed |