Patent US2097751A successfully refreshed from Google Patents.
Patent US2551990A successfully refreshed from Google Patents.
US2551990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage battery hold-down and terminal contact device
Assignee: Individual
•
Filing: 1950-02-28
•
Granted: 1951-05-08
•
Expires: 1970-02-28
Abstract
No abstract record available.
Inventors
- 👤 Wills Horace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:49
CPC Classifications
H; H01; H01R; H01R11/00; H01R11/11; H01R11/28; H01R11/281; H01R11/282; H01M; H01M50/00; H01M50/20; H01M50/262; H01M50/264; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |