US2706312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bast fiber utilization
Assignee: Individual
•
Filing: 1952-03-03
•
Granted: 1955-04-19
•
Expires: 1972-03-03
Abstract
No abstract record available.
Inventors
- 👤 Bobkowicz Emilian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:19
CPC Classifications
D; D01; D01B; D01B1/00; D01B1/10; D01B1/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US635345A
Cited
US722556A
Cited
US910406A
Cited
US1089261A
Cited
US1095921A
Cited
US1233529A
Cited
US1802968A
Cited
US1797763A
Cited
US1812654A
Cited
US2305904A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-18 | 1958-10-18 | 1959-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-18 | 1962-10-18 | 1963-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-18 | 1966-10-18 | 1967-04-19 | $7700.00 | Window Closed / Lapsed |