Patent US3035229A successfully refreshed from Google Patents.
US3035229A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broadband spectrum analyzer for testing jammers and the like
Assignee: General Mills Inc
•
Filing: 1959-10-15
•
Granted: 1962-05-15
•
Expires: 1979-10-15
Abstract
No abstract record available.
Inventors
- 👤 Walter L Guderian
- 👤 Alvin F Kanda
- 👤 David G Schulz
- 👤 Warren H Spencer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:27
CPC Classifications
H; H03; H03J; H03J7/00; H03J7/18; H03J7/32; G; G01; G01R; G01R23/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2380791A
Cited
US2473426A
Cited
US2479222A
Cited
US2807798A
Cited
US2592235A
Cited
US2774035A
Cited
GB770280A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |