US2082330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic gun
Assignee: Commonwealth Steel Co Pty Ltd
•
Filing: 1928-04-18
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Granted: 1937-06-01
•
Expires: 1948-04-18
Abstract
No abstract record available.
Inventors
- 👤 Charles F Frede
- 👤 Karl S Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:09
CPC Classifications
B; B22; B22D; B22D29/00; B22D29/001; B22D29/006; B05; B05B; B05B15/00; B05B15/60; B05B15/65; B05B15/652; B05B15/654; B05B3/00; B05B3/02; B05B3/0202
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) | 1940-05-31 | 1940-11-30 | 1941-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-05-31 | 1944-11-30 | 1945-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-05-31 | 1948-11-30 | 1949-06-01 | $7700.00 | Window Closed / Lapsed |