US2293491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubular rivet
Assignee: Individual
•
Filing: 1941-05-31
•
Granted: 1942-08-18
•
Expires: 1961-05-31
Abstract
No abstract record available.
Inventors
- 👤 Cox Robert Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:46
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/58; B21K1/60; B21C; B21C37/00; B21C37/06; B21C37/08; B21C37/0826; B21C37/10; B21C37/108; B21D; B21D39/00; B21D39/03; B21D39/037; B21D51/00; B21D51/16; B21D51/36; F; F16; F16B; F16B19/00; F16B19/04; F16B19/08; F16B19/10; F16B5/00; F16B5/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49936; Y10T29/49938; Y10T29/4994; Y10T29/49943
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) | 1945-08-17 | 1946-02-16 | 1946-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-08-17 | 1950-02-16 | 1950-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-08-17 | 1954-02-16 | 1954-08-18 | $7700.00 | Window Closed / Lapsed |