US2864060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical coupling device
Assignee: PATRONIX Inc
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Filing: 1955-08-09
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Granted: 1958-12-09
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Expires: 1975-08-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph B Batchelor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:37
CPC Classifications
H; H03; H03H; H03H2/00; H03H2/005; H03H2/006; H03H7/00; H03H7/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |