US2779955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of extending a rivet blank around a headed mandril stem
Assignee: United Shoe Machinery Corp
•
Filing: 1952-10-15
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Granted: 1957-02-05
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Expires: 1972-10-15
Abstract
No abstract record available.
Inventors
- 👤 Curtis James William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:44
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/04; F16B19/08; F16B19/10; F16B19/1027; F16B19/1036; F16B19/1045; F16B19/1054; B; B21; B21K; B21K1/00; B21K1/58; B21K1/60; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49925; Y10T29/49927; Y10T29/49929; Y10T29/49934; Y10T29/49936
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |