US2617174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rivet-stud removing mechanism
Assignee: AT&T Inc
•
Filing: 1950-07-14
•
Granted: 1952-11-11
•
Expires: 1970-07-14
Abstract
No abstract record available.
Inventors
- 👤 Charles O Knuuti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:13
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/02; B25B27/04; B21; B21J; B21J15/00; B21J15/38; B21J15/50; B25B31/00; Y; Y10; Y10T; Y10T29/00; Y10T29/51
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US284054A
Cited
US989100A
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US1149737A
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US1702569A
Cited
US1783445A
Cited
US1750144A
Cited
US1808041A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-11 | 1956-05-12 | 1956-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-11 | 1960-05-12 | 1960-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-11 | 1964-05-12 | 1964-11-11 | $7700.00 | Window Closed / Lapsed |