US2986718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three-prong plug
Assignee: Individual
•
Filing: 1958-07-30
•
Granted: 1961-05-30
•
Expires: 1978-07-30
Abstract
No abstract record available.
Inventors
- 👤 Jr William C Bender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:03
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/648; H01R13/652
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1026653A
Cited
FR794339A
Cited
US2182446A
Cited
CH243210A
Cited
GB684915A
Cited
US2922134A
Cited
CH326324A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |