US2659072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data transmission system for digital calculating machines or the like
Assignee: Individual
•
Filing: 1949-01-13
•
Granted: 1953-11-10
•
Expires: 1969-01-13
Abstract
No abstract record available.
Inventors
- 👤 John F Coales
- 👤 Elliott William Sidney
- 👤 Hill Norman Douglas
- 👤 Hersom Samuel Edwin
- 👤 Tindale John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:00
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/22; H03M1/24; H03M1/28; H03M1/30; H03M1/308
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US397604A
Cited
US464513A
Cited
US2057773A
Cited
US2318591A
Cited
US2348535A
Cited
US2302009A
Cited
US2410265A
Cited
US2431591A
Cited
US2428990A
Cited
US2429228A
Cited
US2409229A
Cited
US2473691A
Cited
US2534369A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |