US2772590A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bolt holding dual socket wrench
Assignee: Individual
•
Filing: 1955-07-22
•
Granted: 1956-12-04
•
Expires: 1975-07-22
Abstract
No abstract record available.
Inventors
- 👤 Werries John William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:33
CPC Classifications
B; B25; B25B; B25B13/00; B25B13/48; B25B13/488
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1507362A
Cited
US1957905A
Cited
US2181678A
Cited
US2267012A
Cited
GB569735A
Cited
US2599489A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |