US2417967A
Expired / Lapsed
US
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Contact element
Assignee: Duracell Inc USA
•
Filing: 1944-02-23
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Granted: 1947-03-25
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Expires: 1964-02-23
Abstract
No abstract record available.
Inventors
- 👤 James M Booe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:06
CPC Classifications
H; H01; H01H; H01H63/00; H01H63/02; H01H1/00; H01H1/02; H01H11/00; H01H11/04; H01H11/041; H01H2011/046; Y; Y10; Y10S; Y10S29/00; Y10S29/022; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10S428/9265; Y10S428/929; Y10S428/9335; Y10S428/934; Y10S428/935; Y10T; Y10T428/00; Y10T428/12; Y10T428/12472; Y10T428/12493; Y10T428/12681; Y10T428/12771; Y10T428/12861; Y10T428/12896
Claims Analysis
Total Claims: 0
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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) | 1950-03-24 | 1950-09-23 | 1951-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-24 | 1954-09-23 | 1955-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-24 | 1958-09-23 | 1959-03-25 | $7700.00 | Window Closed / Lapsed |