Patent US5023696A successfully refreshed from Google Patents.
Patent US2724012A successfully refreshed from Google Patents.
US2724012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage battery case
Assignee: Gould National Batteries Inc
•
Filing: 1954-06-17
•
Granted: 1955-11-15
•
Expires: 1974-06-17
Abstract
No abstract record available.
Inventors
- 👤 Niles J Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:11
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/10; H01M50/147; 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)
US1540252A
Cited
US1374506A
Cited
US1703735A
Cited
US1823448A
Cited
US1990445A
Cited
US2657249A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |