US2763444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bobbin with tail-tie gudgeon
Assignee: CLOVERLEAF FREELAND CORP
•
Filing: 1950-02-28
•
Granted: 1956-09-18
•
Expires: 1970-02-28
Abstract
No abstract record available.
Inventors
- 👤 Lester F Burlein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:29
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H75/28; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US594989A
Cited
GB190112735A
Cited
US1687579A
Cited
US1711353A
Cited
US1881383A
Cited
US1920181A
Cited
US1991880A
Cited
US2048995A
Cited
US2155140A
Cited
GB492873A
Cited
US2262101A
Cited
US2285732A
Cited
US2467825A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |