US2674476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Connecting device
Assignee: Automatic Devices Inc
•
Filing: 1948-10-06
•
Granted: 1954-04-06
•
Expires: 1968-10-06
Abstract
No abstract record available.
Inventors
- 👤 Grosso Gerard Del
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:59
CPC Classifications
E; E04; E04G; E04G7/00; E04G7/30; E04G7/302; E04G7/303; E04G7/305; Y; Y10; Y10T; Y10T403/00; Y10T403/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US444717A
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US590997A
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US1314114A
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US1360924A
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US949938A
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US1274006A
Cited
US1785882A
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US2132075A
Cited
US2331806A
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US2379970A
Cited
US2449251A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |