US2864909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switch
Assignee: Individual
•
Filing: 1957-06-10
•
Granted: 1958-12-16
•
Expires: 1977-06-10
Abstract
No abstract record available.
Inventors
- 👤 Alfred E Cobb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:22
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/02; H01H43/04; H01H43/08; G; G06; G06K; G06K7/00; G06K7/04; G06K7/042; G06K7/045; H01C; H01C10/00; H01C10/46; H01H1/00; H01H1/12; H01H1/14; H01H1/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1651275A
Cited
US2782275A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |