Patent US2957657A successfully refreshed from Google Patents.
US2957657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft net barrier
Assignee: FRICDER
•
Filing: 1955-01-04
•
Granted: 1960-10-25
•
Expires: 1975-01-04
Abstract
No abstract record available.
Inventors
- 👤 Leonard P Frieder
- 👤 Walter S Finken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:56
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/02; B64F1/027
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US111322A
Cited
US828619A
Cited
US1440812A
Cited
US1625020A
Cited
US2237106A
Cited
GB578440A
Cited
US2465936A
Cited
US2450328A
Cited
US2652966A
Cited
US2675197A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |