Patent US3033035A successfully refreshed from Google Patents.
US3033035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compound aircraft instrument
Assignee: Unisys Corp
•
Filing: 1956-08-10
•
Granted: 1962-05-08
•
Expires: 1976-08-10
Abstract
No abstract record available.
Inventors
- 👤 Reuben P Snodgrass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:41
CPC Classifications
B; B64; B64D; B64D45/00; Y; Y10; Y10S; Y10S116/00; Y10S116/43
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2349982A
Cited
US2538303A
Cited
US2579902A
Cited
US2452621A
Cited
US2682768A
Cited
US2710389A
Cited
US2832200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |