US2448783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical vernier type telemetric
Assignee: —
•
Filing: —
•
Granted: 1948-09-07
•
Expires: 1965-09-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:13
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/22; B; B67; B67D; B67D7/00; B67D7/06; B67D7/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB104777A
Cited
GB102104A
Cited
US1691360A
Cited
US2148075A
Cited
US2132213A
Cited
US2198055A
Cited
US2216069A
Cited
US2289202A
Cited
US2396244A
Cited
US2388559A
Cited
US2391058A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-09-07 | 1952-03-08 | 1952-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-07 | 1956-03-08 | 1956-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-07 | 1960-03-08 | 1960-09-07 | $7700.00 | Window Closed / Lapsed |