US3485004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building siding unit
Assignee: Zenith Electronics LLC
•
Filing: 1968-11-01
•
Granted: 1969-12-23
•
Expires: 1988-11-01
Abstract
No abstract record available.
Inventors
- 👤 Lee H Mattes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:37
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0864
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1963583A
Cited
US2143166A
Cited
US2820257A
Cited
US3158960A
Cited
US3164929A
Cited
US3214876A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |