US2532928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rivet setting arm
Assignee: Douglas Aircraft Co Inc
•
Filing: 1943-08-02
•
Granted: 1950-12-05
•
Expires: 1963-08-02
Abstract
No abstract record available.
Inventors
- 👤 Frank A Marty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:56
CPC Classifications
B; B21; B21J; B21J15/00; B21J15/10; B21J15/30; B21J15/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US225482A
Cited
US833441A
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US2056559A
Cited
US2230518A
Cited
US2310008A
Cited
US2340552A
Cited
US2320360A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |