Patent US2248755A successfully refreshed from Google Patents.
US2248755A
Expired / Lapsed
US
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Rivet
Assignee: Curtiss Wright Corp
•
Filing: 1939-11-25
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Granted: 1941-07-08
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Expires: 1959-11-25
Abstract
No abstract record available.
Inventors
- 👤 Charles E Hathorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:16
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/04; F16B19/08; F16B19/10; F16B19/1027; F16B19/1036; F16B19/1045; B; B21; B21J; B21J15/00; B21J15/02; B21J15/04; B21J15/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-07-07 | 1945-01-06 | 1945-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-07-07 | 1949-01-06 | 1949-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-07-07 | 1953-01-06 | 1953-07-08 | $7700.00 | Window Closed / Lapsed |