US2940800A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swivel socket connection
Assignee: American Marietta Co
•
Filing: 1956-05-31
•
Granted: 1960-06-14
•
Expires: 1976-05-31
Abstract
No abstract record available.
Inventors
- 👤 James G Knapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:15
CPC Classifications
B; B25; B25G; B25G3/00; B25G3/38; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32041; Y10T403/32049; Y10T403/32606; Y10T403/32861; Y10T403/57; Y10T403/5706
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1586979A
Cited
US982597A
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US1453745A
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US1735278A
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US1998634A
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US1997685A
Cited
US2050762A
Cited
US2164398A
Cited
US2581141A
Cited
FR1099025A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |