US3422253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reverse counting logic systems
Assignee: GENERAL TIME CONTROLS Inc 135 SOUTH MAIN ST THOMASTON CT 06787 A CORP OF DE
•
Filing: 1965-05-10
•
Granted: 1969-01-14
•
Expires: 1985-05-10
Abstract
No abstract record available.
Inventors
- 👤 Robert S Lundin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:12
CPC Classifications
H; H03; H03K; H03K25/00; G; G01; G01F; G01F15/00; G01F15/001; G01F15/003
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3226562A
Cited
US3229077A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |