US2505950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Launching or discharging equipment for signaling
Assignee: Aerial Products Inc
•
Filing: 1947-08-05
•
Granted: 1950-05-02
•
Expires: 1967-08-05
Abstract
No abstract record available.
Inventors
- 👤 Dwyer Martin
- 👤 Tsang Chi Mou
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:58
CPC Classifications
B; B64; B64D; B64D1/00; B64D1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR375758A
Cited
US1166651A
Cited
US1836495A
Cited
US1860327A
Cited
US2190531A
Cited
US2380587A
Cited
US2357417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-01 | 1953-10-31 | 1954-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-01 | 1957-10-31 | 1958-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-01 | 1961-10-31 | 1962-05-02 | $7700.00 | Window Closed / Lapsed |