US2662930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hermetically sealed electrical unit
Assignee: Weston Electric Instrument Corp
•
Filing: 1948-12-13
•
Granted: 1953-12-15
•
Expires: 1968-12-13
Abstract
No abstract record available.
Inventors
- 👤 Morelock Oliver James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:08
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/02; H01F27/022; H01F41/00; H01F41/005
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US482753A
Cited
US1083170A
Cited
US1840139A
Cited
US1896040A
Cited
US2072557A
Cited
US2316572A
Cited
US2466766A
Cited
US2459018A
Cited
US2456219A
Cited
US2477172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |