Patent US1908926A successfully refreshed from Google Patents.
US1908926A
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US
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Lifting device
Assignee: Willard Storage Battery Co
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Filing: 1931-01-17
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Granted: 1933-05-16
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Expires: 1951-01-17
Abstract
No abstract record available.
Inventors
- 👤 Malvern W Severance
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:20
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/20; H01M50/256; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10S; Y10S16/00; Y10S16/15; Y10S294/00; Y10S294/903; Y10T; Y10T24/00; Y10T24/40; Y10T24/4002; Y10T24/4012
Claims Analysis
Total Claims: 0
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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) | 1936-05-15 | 1936-11-14 | 1937-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-05-15 | 1940-11-14 | 1941-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-05-15 | 1944-11-14 | 1945-05-16 | $7700.00 | Window Closed / Lapsed |