US2797607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet metal penetrating expandible rivet
Assignee: Individual
•
Filing: 1955-02-17
•
Granted: 1957-07-02
•
Expires: 1975-02-17
Abstract
No abstract record available.
Inventors
- 👤 John F Blaski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:18
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/06; F16B5/0685
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US964226A
Cited
US1925488A
Cited
US2090167A
Cited
US2173198A
Cited
US2198186A
Cited
US2597344A
Cited
US2521378A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |