US3420987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coded control apparatus and method
Assignee: Smith Meter Inc
•
Filing: 1964-07-06
•
Granted: 1969-01-07
•
Expires: 1984-07-06
Abstract
No abstract record available.
Inventors
- 👤 Thnothy H Houle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:50
CPC Classifications
G; G07; G07F; G07F7/00; G07F7/08; B; B67; B67D; B67D7/00; B67D7/06; B67D7/08; B67D7/14; G06; G06Q; G06Q20/00; G06Q20/30; G06Q20/34; G06Q20/342; G06Q20/38; G06Q20/40; G06Q20/403; G07F7/02; G07F7/025
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2714201A
Cited
US3033449A
Cited
US3204221A
Cited
US3255339A
Cited
US3221304A
Cited
US3217293A
Cited
US3184714A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |