US2996845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structural panel and building wall construction utilizing same
Assignee: Kimble Glass Inc
•
Filing: 1958-09-11
•
Granted: 1961-08-22
•
Expires: 1978-09-11
Abstract
No abstract record available.
Inventors
- 👤 Chester C Cipriani
- 👤 Charles H Stark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:39
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/54; E04B; E04B2/00; E04B2/88; E04B2/90; E04B2/96
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1826114A
Cited
US2142305A
Cited
US2182373A
Cited
US2291388A
Cited
US2308242A
Cited
US2347756A
Cited
US2540603A
Cited
US2736399A
Cited
US2671538A
Cited
US2742776A
Cited
US2676680A
Cited
US2769212A
Cited
US2809726A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |