US2847056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for producing reinforced sheet material
Assignee: Individual
•
Filing: 1956-02-20
•
Granted: 1958-08-12
•
Expires: 1976-02-20
Abstract
No abstract record available.
Inventors
- 👤 Vanlaer Pierre Georges Auguste
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:19
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/16; B29C70/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1316845A
Cited
US1460949A
Cited
US1753806A
Cited
US1843322A
Cited
US2321512A
Cited
US2696243A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |