US2934234A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rivet expander tool
Assignee: South Chester Corp
•
Filing: 1958-06-06
•
Granted: 1960-04-26
•
Expires: 1978-06-06
Abstract
No abstract record available.
Inventors
- 👤 Robert H Bisbing
- 👤 John K Barry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:34
CPC Classifications
B; B21; B21J; B21J15/00; B21J15/38; B21J15/386; B21J15/02; B21J15/04; B21J15/041; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/1896
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1037680A
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US983610A
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US1425542A
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US1966883A
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US2310008A
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US2326855A
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US2389479A
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US2428458A
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US2443193A
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US2559845A
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US2548697A
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US2767401A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |