US2518565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for simultaneously producing multiple recesses in plastic sheet material
Assignee: Individual
•
Filing: 1945-08-13
•
Granted: 1950-08-15
•
Expires: 1965-08-13
Abstract
No abstract record available.
Inventors
- 👤 Nicolle Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:37
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2172546A
Cited
US1318700A
Cited
US600863A
Cited
US699331A
Cited
US1531504A
Cited
US1667673A
Cited
US1879555A
Cited
US1904268A
Cited
US2190807A
Cited
US2285903A
Cited
US2255117A
Cited
US2255116A
Cited
US2295066A
Cited
US2270187A
Cited
US2403482A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-14 | 1954-02-13 | 1954-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-14 | 1958-02-13 | 1958-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-14 | 1962-02-13 | 1962-08-15 | $7700.00 | Window Closed / Lapsed |