US2701864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerial feeder
Assignee: EMI Ltd
•
Filing: 1948-06-18
•
Granted: 1955-02-08
•
Expires: 1968-06-18
Abstract
No abstract record available.
Inventors
- 👤 Cork Edward Cecil
- 👤 Manifold Michael Bowman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:52
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/12; H01P; H01P3/00; H01P3/02; H01P3/06; H02; H02G; H02G5/00; H02G5/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49838; Y10T29/49879
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1334231A
Cited
US1866051A
Cited
GB356647A
Cited
US1943087A
Cited
US2140174A
Cited
US2249443A
Cited
US2216893A
Cited
US2256066A
Cited
US2267339A
Cited
US2238654A
Cited
US2376725A
Cited
US2446982A
Cited
US2421137A
Cited
GB624954A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-07 | 1958-08-09 | 1959-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-07 | 1962-08-09 | 1963-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-07 | 1966-08-09 | 1967-02-08 | $7700.00 | Window Closed / Lapsed |