US2901157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multicellular carriers
Assignee: Federal Paper Board Co Inc
•
Filing: 1957-07-19
•
Granted: 1959-08-25
•
Expires: 1977-07-19
Abstract
No abstract record available.
Inventors
- 👤 Marshall I Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:29
CPC Classifications
B; B65; B65D; B65D71/00; B65D71/0003; B65D71/0029; B65D71/0033; B65D71/004; B65D71/0022; B65D71/0025; B65D71/0044; B65D2571/00; B65D2571/00123; B65D2571/00129; B65D2571/00135; B65D2571/00141; B65D2571/00333; B65D2571/00339; B65D2571/00345; B65D2571/00358; B65D2571/00432; B65D2571/00493; B65D2571/00648; B65D2571/00654; B65D2571/0066; B65D2571/00709; B65D2571/00802
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |