Patent US2057254A successfully refreshed from Google Patents.
US2057254A
Expired / Lapsed
US
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Receptacle
Assignee: Individual
•
Filing: 1934-08-18
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Granted: 1936-10-13
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Expires: 1954-08-18
Abstract
No abstract record available.
Inventors
- 👤 Martin H Sommer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:51
CPC Classifications
A; A47; A47J; A47J36/00; A47J36/02; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12597; Y10T428/12604; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12972; Y10T428/12979; Y10T428/12986
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) | 1939-10-13 | 1940-04-13 | 1940-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-10-13 | 1944-04-13 | 1944-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-10-13 | 1948-04-13 | 1948-10-13 | $7700.00 | Window Closed / Lapsed |