Patent US2133335A successfully refreshed from Google Patents.
US2133335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating and adhesive composition and process of making the same
Assignee: Pyroxylin Products Inc
•
Filing: 1934-12-05
•
Granted: 1938-10-18
•
Expires: 1954-12-05
Abstract
No abstract record available.
Inventors
- 👤 Courtney William
- 👤 Fawkes Charles Elliott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:32
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/46; C08L; C08L61/00; C08L61/20; C08L61/22; C08L61/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1941-10-17 | 1942-04-18 | 1942-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-10-17 | 1946-04-18 | 1946-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-10-17 | 1950-04-18 | 1950-10-18 | $7700.00 | Window Closed / Lapsed |