Patent US2691693A successfully refreshed from Google Patents.
US2691693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Meter support
Assignee: Individual
•
Filing: 1950-11-16
•
Granted: 1954-10-12
•
Expires: 1970-11-16
Abstract
No abstract record available.
Inventors
- 👤 Morgan J Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:47
CPC Classifications
G; G01; G01R; G01R11/00; G01R11/02; G01R11/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US916537A
Cited
US1493478A
Cited
US1631606A
Cited
US2402360A
Cited
US2474328A
Cited
US2429093A
Cited
US2436914A
Cited
US2538912A
Cited
US2582638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-11 | 1958-04-12 | 1958-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-11 | 1962-04-12 | 1962-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-11 | 1966-04-12 | 1966-10-12 | $7700.00 | Window Closed / Lapsed |