Patent US3850470A successfully refreshed from Google Patents.
Patent US2467087A successfully refreshed from Google Patents.
US2467087A
Expired / Lapsed
US
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Locking cap for receptacles
Assignee: Individual
•
Filing: 1945-09-20
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Granted: 1949-04-12
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Expires: 1965-09-20
Abstract
No abstract record available.
Inventors
- 👤 Anton W Konchan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:38
CPC Classifications
B; B60; B60K; B60K15/00; B60K15/03; B60K15/04; B60K15/0406; B60K15/0409; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/554; Y10T70/5562; Y10T70/5571
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1446865A
Cited
US2003046A
Cited
US2070692A
Cited
US2135351A
Cited
US2303594A
Cited
US2391498A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-11 | 1952-10-11 | 1953-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-11 | 1956-10-11 | 1957-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-11 | 1960-10-11 | 1961-04-12 | $7700.00 | Window Closed / Lapsed |