US3458946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Display unit
Assignee: TULL C LASSWELL
•
Filing: 1966-11-03
•
Granted: 1969-08-05
•
Expires: 1986-11-03
Abstract
No abstract record available.
Inventors
- 👤 Tull C Lasswell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:28
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/08; A47F5/0884; G; G09; G09F; G09F5/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |