Patent US1508456A successfully refreshed from Google Patents.
US1508456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ground clamp
Assignee: PERFECTION Manufacturing Co
•
Filing: 1924-01-04
•
Granted: 1924-09-16
•
Expires: 1944-01-04
Abstract
No abstract record available.
Inventors
- 👤 William G Lenz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:52
CPC Classifications
H; H01; H01R; H01R4/00; H01R4/58; H01R4/64; H01R4/643; H01R4/28; H01R4/48; H01R4/4854; H01R4/4863; H01R4/60
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1927-09-16 | 1928-03-17 | 1928-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-09-16 | 1932-03-17 | 1932-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-09-16 | 1936-03-17 | 1936-09-16 | $7700.00 | Window Closed / Lapsed |