US2730623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiosonde transmitter housing
Assignee: Individual
•
Filing: 1953-03-11
•
Granted: 1956-01-10
•
Expires: 1973-03-11
Abstract
No abstract record available.
Inventors
- 👤 Albert D Emurian
- 👤 Todd William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:08
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/02; H04B1/03; H04B1/034
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2248227A
Cited
US2443908A
Cited
US2417542A
Cited
US2415749A
Cited
US2627578A
Cited
US2579315A
Cited
US2547637A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |