US2505684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toolholder
Assignee: Individual
•
Filing: 1944-03-09
•
Granted: 1950-04-25
•
Expires: 1964-03-09
Abstract
No abstract record available.
Inventors
- 👤 Francis H Mcclernon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:07
CPC Classifications
B; B23; B23Q; B23Q16/00; B23Q16/02; B23Q16/04; B23Q16/06; B23Q16/065; Y; Y10; Y10T; Y10T74/00; Y10T74/14; Y10T74/1418; Y10T74/1424; Y10T74/1453; Y10T74/1476; Y10T82/00; Y10T82/25; Y10T82/2585; Y10T82/2587
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE114954C
Cited
US462160A
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US1195116A
Cited
US1195390A
Cited
US897625A
Cited
US993290A
Cited
GB150205A
Cited
GB164937A
Cited
US1486591A
Cited
US1662959A
Cited
US2382106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-24 | 1953-10-24 | 1954-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-24 | 1957-10-24 | 1958-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-24 | 1961-10-24 | 1962-04-25 | $7700.00 | Window Closed / Lapsed |