Patent US2617642A successfully refreshed from Google Patents.
US2617642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pendulum scale lock
Assignee: HOWE SCALE Co
•
Filing: 1946-06-17
•
Granted: 1952-11-11
•
Expires: 1966-06-17
Abstract
No abstract record available.
Inventors
- 👤 Lester D Singleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:55
CPC Classifications
G; G01; G01G; G01G23/00; G01G23/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US156259A
Cited
US1577009A
Cited
US1103513A
Cited
US1267549A
Cited
US1606938A
Cited
US1564387A
Cited
US1671261A
Cited
US2034847A
Cited
US2233868A
Cited
US2404601A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-11 | 1956-05-12 | 1956-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-11 | 1960-05-12 | 1960-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-11 | 1964-05-12 | 1964-11-11 | $7700.00 | Window Closed / Lapsed |