US2664020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear operated pancake-type wrench for use in confined spaces
Assignee: BRISTOL TOOL MACHINE Co I
•
Filing: 1953-01-23
•
Granted: 1953-12-29
•
Expires: 1973-01-23
Abstract
No abstract record available.
Inventors
- 👤 Note Frank J De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:30
CPC Classifications
B; B25; B25B; B25B21/00; B25B21/002
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1469662A
Cited
US2235374A
Cited
US2482387A
Cited
US2501386A
Cited
US2532027A
Cited
US2629278A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |