US3501790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making blind rivet assemblies
Assignee: Emhart Enterprises Corp
•
Filing: 1967-04-14
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Granted: 1970-03-24
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Expires: 1987-04-14
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Wickers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:59
CPC Classifications
B; B21; B21K; B21K25/00; B21C; B21C23/00; B21C23/02; B21C23/18; B21C23/183; B21K1/00; B21K1/58; B21K1/60; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49918; Y10T29/49925; Y10T29/49934; Y10T29/49938; Y10T29/4994
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2779955A
Cited
US3204517A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-23 | 1973-09-22 | 1974-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-23 | 1977-09-22 | 1978-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-23 | 1981-09-22 | 1982-03-24 | $7700.00 | Window Closed / Lapsed |