US2693505A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit-arrangement in an automatic signaling system for the numerical adjustment of a final selector under the control of pulses
Assignee: Hartford National Bank and Trust Co
•
Filing: 1950-10-05
•
Granted: 1954-11-02
•
Expires: 1970-10-05
Abstract
No abstract record available.
Inventors
- 👤 Buchner Robert Bertold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:27
CPC Classifications
H; H04; H04Q; H04Q3/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1648009A
Cited
US1903207A
Cited
US1877883A
Cited
US1914384A
Cited
US2057890A
Cited
US2291481A
Cited
US2454809A
Cited
US2547043A
Cited
FR895485A
Cited
US2506200A
Cited
US2416086A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-01 | 1958-05-03 | 1958-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-01 | 1962-05-03 | 1962-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-01 | 1966-05-03 | 1966-11-02 | $7700.00 | Window Closed / Lapsed |