US2698552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stud
Assignee: Safway Steel Products Inc
•
Filing: 1952-05-08
•
Granted: 1955-01-04
•
Expires: 1972-05-08
Abstract
No abstract record available.
Inventors
- 👤 David G Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:11
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/10; Y; Y10; Y10T; Y10T403/00; Y10T403/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR19448E
Cited
US995881A
Cited
FR473206A
Cited
US1950290A
Cited
US2429833A
Cited
US2611422A
Cited
US2561938A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-03 | 1958-07-05 | 1959-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-03 | 1962-07-05 | 1963-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-03 | 1966-07-05 | 1967-01-04 | $7700.00 | Window Closed / Lapsed |