Patent US1500641A successfully refreshed from Google Patents.
US1500641A
Expired / Lapsed
US
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Electrical connecter
Assignee: Chicago Pneumatic Tool Co LLC
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Filing: 1920-10-01
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Granted: 1924-07-08
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Expires: 1940-10-01
Abstract
No abstract record available.
Inventors
- 👤 Guy O Sabourin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:35
CPC Classifications
H; H01; H01R; H01R11/00; H01R11/11; H01R11/20; H01R11/22; H01R11/24
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) | 1927-07-08 | 1928-01-07 | 1928-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-07-08 | 1932-01-07 | 1932-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-07-08 | 1936-01-07 | 1936-07-08 | $7700.00 | Window Closed / Lapsed |