US3013102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic shields
Assignee: Electro Mechanical Research Inc
•
Filing: 1945-05-24
•
Granted: 1961-12-12
•
Expires: 1965-05-24
Abstract
No abstract record available.
Inventors
- 👤 Doll Henri-Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:09
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/34; H01F27/36; H01F27/363
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US767974A
Cited
AT129022B
Cited
US2064831A
Cited
US2227846A
Cited
US2189309A
Cited
US2249129A
Cited
US2385012A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |