US1625795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making alpha drag-link element
Assignee: Steel Products Co
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Filing: 1924-03-15
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Granted: 1927-04-26
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Expires: 1944-03-15
Abstract
No abstract record available.
Inventors
- 👤 Frederick C Crawford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:47
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/0685; F16C11/0619; F16C11/0623; F16C11/068; F16C2226/00; F16C2226/30; F16C2226/36; F16C2326/00; F16C2326/20; F16C2326/24; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49925; Y10T29/49927
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) | 1930-04-25 | 1930-10-25 | 1931-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-04-25 | 1934-10-25 | 1935-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-04-25 | 1938-10-25 | 1939-04-26 | $7700.00 | Window Closed / Lapsed |