US2562724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulically expanding hollow rivet
Assignee: United Airlines Inc
•
Filing: 1943-04-02
•
Granted: 1951-07-31
•
Expires: 1963-04-02
Abstract
No abstract record available.
Inventors
- 👤 Herbert A Lebert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:55
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/04; F16B19/08; F16B19/12; B; B21; B21J; B21J15/00; B21J15/02; B21J15/06; Y; Y10; Y10S; Y10S411/00; Y10S411/01; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1456403A
Cited
US1840928A
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US1945480A
Cited
US2162164A
Cited
DE689584C
Cited
DE705153C
Cited
US2213818A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-30 | 1955-01-29 | 1955-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-30 | 1959-01-29 | 1959-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-30 | 1963-01-29 | 1963-07-31 | $7700.00 | Window Closed / Lapsed |