US2634309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extension cord set
Assignee: ARGUS CAMERAS Inc
•
Filing: 1948-11-18
•
Granted: 1953-04-07
•
Expires: 1968-11-18
Abstract
No abstract record available.
Inventors
- 👤 John W Barnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:33
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/02; G03B15/03; G03B15/04; G03B15/041; Y; Y10; Y10S; Y10S439/00; Y10S439/914
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US852490A
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US1241106A
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US1568407A
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US1632081A
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US1812396A
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US1741264A
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US1888714A
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US1894112A
Cited
US2177409A
Cited
US2424422A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |