US3408629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data handling system
Assignee: TNC US Holdings Inc
•
Filing: 1966-01-10
•
Granted: 1968-10-29
•
Expires: 1986-01-10
Abstract
No abstract record available.
Inventors
- 👤 Donald E Haselwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:29
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/46; G06F9/48; G06F9/4806; G06F9/4812; G06F9/4825
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3134016A
Cited
US2910238A
Cited
US3181121A
Cited
US3063036A
Cited
US3082402A
Cited
US3181124A
Cited
US3305839A
Cited
US3297996A
Cited
US3323119A
Cited
US3308439A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |