Patent US3455079A successfully refreshed from Google Patents.
US3455079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Panel unit and frame
Assignee: IOWA PLASTICS ENG Inc
•
Filing: 1968-02-21
•
Granted: 1969-07-15
•
Expires: 1988-02-21
Abstract
No abstract record available.
Inventors
- 👤 Eugene O Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:46
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/02; E06B9/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US752283A
Cited
US1771304A
Cited
US2589729A
Cited
FR1155085A
Cited
US3055467A
Cited
GB924493A
Cited
FR1341673A
Cited
US3355204A
Cited
US3287854A
Cited
US3364643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |