Patent US1662817A successfully refreshed from Google Patents.
US1662817A
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US
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Plug for electric connections
Assignee: Individual
•
Filing: 1922-09-28
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Granted: 1928-03-20
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Expires: 1942-09-28
Abstract
No abstract record available.
Inventors
- 👤 August C Bollmann
- 👤 Davies William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:21
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/66; H01R13/70; H01R13/713; H01R13/7137
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) | 1931-03-20 | 1931-09-19 | 1932-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-03-20 | 1935-09-19 | 1936-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-03-20 | 1939-09-19 | 1940-03-20 | $7700.00 | Window Closed / Lapsed |