US2420867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transfer apparatus
Assignee: Bendix Aviation Corp
•
Filing: 1945-02-21
•
Granted: 1947-05-20
•
Expires: 1965-02-21
Abstract
No abstract record available.
Inventors
- 👤 Lawrence E Crosby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:31
CPC Classifications
F; F02; F02M; F02M19/00; F02M19/01
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US343417A
Cited
US415230A
Cited
US428749A
Cited
US615924A
Cited
US1037784A
Cited
US1532255A
Cited
DE389343C
Cited
US1842911A
Cited
US1755785A
Cited
US2131133A
Cited
US2272949A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-19 | 1950-11-18 | 1951-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-19 | 1954-11-18 | 1955-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-19 | 1958-11-18 | 1959-05-20 | $7700.00 | Window Closed / Lapsed |