US3420024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial siding for use in a building construction
Assignee: DURA LAST SHINGLE CORP
•
Filing: 1966-12-19
•
Granted: 1969-01-07
•
Expires: 1986-12-19
Abstract
No abstract record available.
Inventors
- 👤 Anthony Salvo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:07
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0864
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1306488A
Cited
US789147A
Cited
US2318022A
Cited
FR1202681A
Cited
US3217453A
Cited
US3319390A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |