US3410044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foamed plastic based construction elements
Assignee: CONTEMPORARY WALLS Ltd
•
Filing: 1965-07-23
•
Granted: 1968-11-12
•
Expires: 1985-07-23
Abstract
No abstract record available.
Inventors
- 👤 Moog Gerhard Willy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:56
CPC Classifications
E; E04; E04C; E04C1/00; E04C1/40; E04B; E04B2/00; E04B2/02; E04B2002/0202; E04B2002/0204; E04B2002/0208
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1171191A
Cited
GB143749A
Cited
US1785499A
Cited
US2684589A
Cited
US2994110A
Cited
US3134742A
Cited
US3292331A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |