US2928143A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ventilated siding and panel clip
Assignee: Building Products Ltd
•
Filing: 1956-09-26
•
Granted: 1960-03-15
•
Expires: 1976-09-26
Abstract
No abstract record available.
Inventors
- 👤 Leslie J Newton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:27
CPC Classifications
E; E04; E04D; E04D3/00; E04D3/36; E04D3/365
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1941216A
Cited
US2248723A
Cited
US2188090A
Cited
US2293744A
Cited
US2361450A
Cited
US2358396A
Cited
US2648103A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |