US3104424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure pot expandable polystyrene mold filling device
Assignee: Beazer East Inc
•
Filing: 1961-08-22
•
Granted: 1963-09-24
•
Expires: 1981-08-22
Abstract
No abstract record available.
Inventors
- 👤 Richard H Immel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:10
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/36; B29C44/46; B29C44/461; B29C44/38; B29C44/44; B29C44/445; Y; Y10; Y10S; Y10S264/00; Y10S264/09; Y10S264/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1215560A
Cited
US1242120A
Cited
US1559666A
Cited
US2450436A
Cited
US2608393A
Cited
US2764565A
Cited
US2942860A
Cited
US2869214A
Cited
US2951260A
Cited
US2998501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |