US2248105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic composition
Assignee: Individual
•
Filing: 1937-01-04
•
Granted: 1941-07-08
•
Expires: 1957-01-04
Abstract
No abstract record available.
Inventors
- 👤 Orville V Mcgrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:57
CPC Classifications
D; D06; D06N; D06N5/00; C; C08; C08L; C08L97/00; C08L97/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-07-07 | 1945-01-06 | 1945-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-07-07 | 1949-01-06 | 1949-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-07-07 | 1953-01-06 | 1953-07-08 | $7700.00 | Window Closed / Lapsed |