US3440778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soffit closure assembly
Assignee: Corinthian Cornice Systems Inc
•
Filing: 1967-10-02
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Granted: 1969-04-29
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Expires: 1987-10-02
Abstract
No abstract record available.
Inventors
- 👤 Russel T Miles
- 👤 Philip R Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:56
CPC Classifications
E; E04; E04D; E04D13/00; E04D13/15; E04D13/158
Claims Analysis
Total Claims: 0
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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) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |