Patent US3039642A successfully refreshed from Google Patents.
US3039642A
Expired / Lapsed
US
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Receptacle
Assignee: MICHIGAN MODERN ENGINEERING Co
•
Filing: 1959-09-14
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Granted: 1962-06-19
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Expires: 1979-09-14
Abstract
No abstract record available.
Inventors
- 👤 Donald C Perkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:46
CPC Classifications
B; B60; B60N; B60N3/00; B60N3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1546992A
Cited
FR768248A
Cited
US2048363A
Cited
GB491775A
Cited
US2215626A
Cited
US2311968A
Cited
US2812097A
Cited
US2770388A
Cited
US2798632A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |