Patent US2674693A successfully refreshed from Google Patents.
US2674693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible antenna
Assignee: Bendix Aviation Corp
•
Filing: 1951-06-27
•
Granted: 1954-04-06
•
Expires: 1971-06-27
Abstract
No abstract record available.
Inventors
- 👤 Lewis F Millett
- 👤 Martin L Schmitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:09
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |