US2707507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weld nut
Assignee: Grip Nut Co
•
Filing: 1950-02-06
•
Granted: 1955-05-03
•
Expires: 1970-02-06
Abstract
No abstract record available.
Inventors
- 👤 Chester D Tripp
- 👤 Lawrence W Kass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:10
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/04; F16B37/06; F16B37/061; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1360815A
Cited
US1872616A
Cited
US2042953A
Cited
US2054187A
Cited
US2105139A
Cited
US2167285A
Cited
US2279574A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-02 | 1958-11-01 | 1959-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-02 | 1962-11-01 | 1963-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-02 | 1966-11-01 | 1967-05-03 | $7700.00 | Window Closed / Lapsed |