Patent US2933648A successfully refreshed from Google Patents.
Patent US3068192A successfully refreshed from Google Patents.
Patent US1348459A successfully refreshed from Google Patents.
US1348459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming shaped articles from precipitated skin-like compounds
Assignee: Arthur D Little Inc
•
Filing: 1919-03-27
•
Granted: 1920-08-03
•
Expires: 1939-03-27
Abstract
No abstract record available.
Inventors
- 👤 Charles E Swett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:36
CPC Classifications
A; A22; A22C; A22C13/00; A22C13/0026; A22C13/0013
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) | 1923-08-03 | 1924-02-02 | 1924-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-08-03 | 1928-02-02 | 1928-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-08-03 | 1932-02-02 | 1932-08-03 | $7700.00 | Window Closed / Lapsed |