Patent US2509237A successfully refreshed from Google Patents.
Patent US2984834A successfully refreshed from Google Patents.
US2984834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retractable and rotatable scanning device
Assignee: RTX Corp
•
Filing: 1957-07-30
•
Granted: 1961-05-16
•
Expires: 1977-07-30
Abstract
No abstract record available.
Inventors
- 👤 Jr George J Howard
- 👤 Roderick L Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:09
CPC Classifications
H; H01; H01Q; H01Q3/00; B; B64; B64C; B64C1/00; B64C1/36; H01Q1/00; H01Q1/27; H01Q1/28; H01Q1/42; H01Q1/428; B64C27/00; B64C27/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE307746C
Cited
US1857888A
Cited
US2122214A
Cited
US2184260A
Cited
US2389997A
Cited
US2737853A
Cited
US2681991A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |